Home / 984,165.40-1,476,248.10-486,501.40

Finding the Fourth Proportional to 984,165.40, 1,476,248.10 and 486,501.40

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Solution

The fourth proportional to 984,165.40, 1,476,248.10 and 486,501.40 is: 729,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,165.40 : 1,476,248.10 = 486,501.40 : x
  2. Step 2: Convert to fraction form
    984,165.40/1,476,248.10 = 486,501.40/x
  3. Step 3: Cross multiply
    984,165.40x = 1,476,248.10 × 486,501.40
  4. Step 4: Simplify right side
    984,165.40x = 718,196,767,397.34
  5. Step 5: Solve for x
    x = 718,196,767,397.34/984,165.40
  6. Step 6: Final answer
    x = 729,752.10

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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.