Home / 765,950.46-1,057,013.19-426,430.86

Finding the Fourth Proportional to 765,950.46, 1,057,013.19 and 426,430.86

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Solution

The fourth proportional to 765,950.46, 1,057,013.19 and 426,430.86 is: 588,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,950.46 : 1,057,013.19 = 426,430.86 : x
  2. Step 2: Convert to fraction form
    765,950.46/1,057,013.19 = 426,430.86/x
  3. Step 3: Cross multiply
    765,950.46x = 1,057,013.19 × 426,430.86
  4. Step 4: Simplify right side
    765,950.46x = 450,743,043,643.04
  5. Step 5: Solve for x
    x = 450,743,043,643.04/765,950.46
  6. Step 6: Final answer
    x = 588,475.45

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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.