Home / 971,436.90-1,457,155.35-551,532.90

Finding the Fourth Proportional to 971,436.90, 1,457,155.35 and 551,532.90

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Solution

The fourth proportional to 971,436.90, 1,457,155.35 and 551,532.90 is: 827,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,436.90 : 1,457,155.35 = 551,532.90 : x
  2. Step 2: Convert to fraction form
    971,436.90/1,457,155.35 = 551,532.90/x
  3. Step 3: Cross multiply
    971,436.90x = 1,457,155.35 × 551,532.90
  4. Step 4: Simplify right side
    971,436.90x = 803,669,115,936.02
  5. Step 5: Solve for x
    x = 803,669,115,936.02/971,436.90
  6. Step 6: Final answer
    x = 827,299.35

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Double scale
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Similar ratio
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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.