Home / 748,864.56-1,033,312.32-426,580.92

Finding the Fourth Proportional to 748,864.56, 1,033,312.32 and 426,580.92

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Solution

The fourth proportional to 748,864.56, 1,033,312.32 and 426,580.92 is: 588,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,864.56 : 1,033,312.32 = 426,580.92 : x
  2. Step 2: Convert to fraction form
    748,864.56/1,033,312.32 = 426,580.92/x
  3. Step 3: Cross multiply
    748,864.56x = 1,033,312.32 × 426,580.92
  4. Step 4: Simplify right side
    748,864.56x = 440,791,320,112.93
  5. Step 5: Solve for x
    x = 440,791,320,112.93/748,864.56
  6. Step 6: Final answer
    x = 588,612.87

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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.