Home / 749,143.02-1,123,567.92-623,589.78

Finding the Fourth Proportional to 749,143.02, 1,123,567.92 and 623,589.78

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Solution

The fourth proportional to 749,143.02, 1,123,567.92 and 623,589.78 is: 935,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,143.02 : 1,123,567.92 = 623,589.78 : x
  2. Step 2: Convert to fraction form
    749,143.02/1,123,567.92 = 623,589.78/x
  3. Step 3: Cross multiply
    749,143.02x = 1,123,567.92 × 623,589.78
  4. Step 4: Simplify right side
    749,143.02x = 700,645,472,047.86
  5. Step 5: Solve for x
    x = 700,645,472,047.86/749,143.02
  6. Step 6: Final answer
    x = 935,262.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.