Home / 679,949.40-1,019,924.10-306,701.40

Finding the Fourth Proportional to 679,949.40, 1,019,924.10 and 306,701.40

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Solution

The fourth proportional to 679,949.40, 1,019,924.10 and 306,701.40 is: 460,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,949.40 : 1,019,924.10 = 306,701.40 : x
  2. Step 2: Convert to fraction form
    679,949.40/1,019,924.10 = 306,701.40/x
  3. Step 3: Cross multiply
    679,949.40x = 1,019,924.10 × 306,701.40
  4. Step 4: Simplify right side
    679,949.40x = 312,812,149,363.74
  5. Step 5: Solve for x
    x = 312,812,149,363.74/679,949.40
  6. Step 6: Final answer
    x = 460,052.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.