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Finding the Fourth Proportional to 588,446.10, 812,148.12 and 359,053.56

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Solution

The fourth proportional to 588,446.10, 812,148.12 and 359,053.56 is: 495,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,446.10 : 812,148.12 = 359,053.56 : x
  2. Step 2: Convert to fraction form
    588,446.10/812,148.12 = 359,053.56/x
  3. Step 3: Cross multiply
    588,446.10x = 812,148.12 × 359,053.56
  4. Step 4: Simplify right side
    588,446.10x = 291,604,673,733.31
  5. Step 5: Solve for x
    x = 291,604,673,733.31/588,446.10
  6. Step 6: Final answer
    x = 495,550.35

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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.