Home / 679,039.20-1,017,003.60-346,226.40

Finding the Fourth Proportional to 679,039.20, 1,017,003.60 and 346,226.40

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Solution

The fourth proportional to 679,039.20, 1,017,003.60 and 346,226.40 is: 518,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,039.20 : 1,017,003.60 = 346,226.40 : x
  2. Step 2: Convert to fraction form
    679,039.20/1,017,003.60 = 346,226.40/x
  3. Step 3: Cross multiply
    679,039.20x = 1,017,003.60 × 346,226.40
  4. Step 4: Simplify right side
    679,039.20x = 352,113,495,215.04
  5. Step 5: Solve for x
    x = 352,113,495,215.04/679,039.20
  6. Step 6: Final answer
    x = 518,546.64

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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.