Home / 987,920.34-1,363,321.52-535,210.26

Finding the Fourth Proportional to 987,920.34, 1,363,321.52 and 535,210.26

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Solution

The fourth proportional to 987,920.34, 1,363,321.52 and 535,210.26 is: 738,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,920.34 : 1,363,321.52 = 535,210.26 : x
  2. Step 2: Convert to fraction form
    987,920.34/1,363,321.52 = 535,210.26/x
  3. Step 3: Cross multiply
    987,920.34x = 1,363,321.52 × 535,210.26
  4. Step 4: Simplify right side
    987,920.34x = 729,663,665,182.80
  5. Step 5: Solve for x
    x = 729,663,665,182.80/987,920.34
  6. Step 6: Final answer
    x = 738,585.53

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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.