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Finding the Fourth Proportional to 546,073.57, 753,549.10 and 313,446.76

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Solution

The fourth proportional to 546,073.57, 753,549.10 and 313,446.76 is: 432,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,073.57 : 753,549.10 = 313,446.76 : x
  2. Step 2: Convert to fraction form
    546,073.57/753,549.10 = 313,446.76/x
  3. Step 3: Cross multiply
    546,073.57x = 753,549.10 × 313,446.76
  4. Step 4: Simplify right side
    546,073.57x = 236,197,522,328.68
  5. Step 5: Solve for x
    x = 236,197,522,328.68/546,073.57
  6. Step 6: Final answer
    x = 432,537.91

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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.