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Finding the Fourth Proportional to 546,303.56, 753,948.42 and 331,498.04

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Solution

The fourth proportional to 546,303.56, 753,948.42 and 331,498.04 is: 457,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,303.56 : 753,948.42 = 331,498.04 : x
  2. Step 2: Convert to fraction form
    546,303.56/753,948.42 = 331,498.04/x
  3. Step 3: Cross multiply
    546,303.56x = 753,948.42 × 331,498.04
  4. Step 4: Simplify right side
    546,303.56x = 249,932,423,491.10
  5. Step 5: Solve for x
    x = 249,932,423,491.10/546,303.56
  6. Step 6: Final answer
    x = 457,497.34

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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.