Home / 987,917.10-1,363,317.04-535,207.02

Finding the Fourth Proportional to 987,917.10, 1,363,317.04 and 535,207.02

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Solution

The fourth proportional to 987,917.10, 1,363,317.04 and 535,207.02 is: 738,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,917.10 : 1,363,317.04 = 535,207.02 : x
  2. Step 2: Convert to fraction form
    987,917.10/1,363,317.04 = 535,207.02/x
  3. Step 3: Cross multiply
    987,917.10x = 1,363,317.04 × 535,207.02
  4. Step 4: Simplify right side
    987,917.10x = 729,656,840,801.00
  5. Step 5: Solve for x
    x = 729,656,840,801.00/987,917.10
  6. Step 6: Final answer
    x = 738,581.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.