Home / 987,285.29-1,362,454.67-534,575.21

Finding the Fourth Proportional to 987,285.29, 1,362,454.67 and 534,575.21

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Solution

The fourth proportional to 987,285.29, 1,362,454.67 and 534,575.21 is: 737,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,285.29 : 1,362,454.67 = 534,575.21 : x
  2. Step 2: Convert to fraction form
    987,285.29/1,362,454.67 = 534,575.21/x
  3. Step 3: Cross multiply
    987,285.29x = 1,362,454.67 × 534,575.21
  4. Step 4: Simplify right side
    987,285.29x = 728,334,485,854.90
  5. Step 5: Solve for x
    x = 728,334,485,854.90/987,285.29
  6. Step 6: Final answer
    x = 737,714.31

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1.5x scale

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.