Home / 942,720.74-1,300,983.96-534,839.77

Finding the Fourth Proportional to 942,720.74, 1,300,983.96 and 534,839.77

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Solution

The fourth proportional to 942,720.74, 1,300,983.96 and 534,839.77 is: 738,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,720.74 : 1,300,983.96 = 534,839.77 : x
  2. Step 2: Convert to fraction form
    942,720.74/1,300,983.96 = 534,839.77/x
  3. Step 3: Cross multiply
    942,720.74x = 1,300,983.96 × 534,839.77
  4. Step 4: Simplify right side
    942,720.74x = 695,817,959,265.89
  5. Step 5: Solve for x
    x = 695,817,959,265.89/942,720.74
  6. Step 6: Final answer
    x = 738,095.53

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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.