Home / 987,050.20-1,362,129.78-534,341.20

Finding the Fourth Proportional to 987,050.20, 1,362,129.78 and 534,341.20

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Solution

The fourth proportional to 987,050.20, 1,362,129.78 and 534,341.20 is: 737,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,050.20 : 1,362,129.78 = 534,341.20 : x
  2. Step 2: Convert to fraction form
    987,050.20/1,362,129.78 = 534,341.20/x
  3. Step 3: Cross multiply
    987,050.20x = 1,362,129.78 × 534,341.20
  4. Step 4: Simplify right side
    987,050.20x = 727,842,061,200.94
  5. Step 5: Solve for x
    x = 727,842,061,200.94/987,050.20
  6. Step 6: Final answer
    x = 737,391.13

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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.