Home / 942,720.72-1,300,983.87-534,839.74

Finding the Fourth Proportional to 942,720.72, 1,300,983.87 and 534,839.74

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Solution

The fourth proportional to 942,720.72, 1,300,983.87 and 534,839.74 is: 738,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,720.72 : 1,300,983.87 = 534,839.74 : x
  2. Step 2: Convert to fraction form
    942,720.72/1,300,983.87 = 534,839.74/x
  3. Step 3: Cross multiply
    942,720.72x = 1,300,983.87 × 534,839.74
  4. Step 4: Simplify right side
    942,720.72x = 695,817,874,774.99
  5. Step 5: Solve for x
    x = 695,817,874,774.99/942,720.72
  6. Step 6: Final answer
    x = 738,095.45

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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.