Home / 546,730.90-753,818.34-449,595.30

Finding the Fourth Proportional to 546,730.90, 753,818.34 and 449,595.30

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Solution

The fourth proportional to 546,730.90, 753,818.34 and 449,595.30 is: 619,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,730.90 : 753,818.34 = 449,595.30 : x
  2. Step 2: Convert to fraction form
    546,730.90/753,818.34 = 449,595.30/x
  3. Step 3: Cross multiply
    546,730.90x = 753,818.34 × 449,595.30
  4. Step 4: Simplify right side
    546,730.90x = 338,913,182,717.80
  5. Step 5: Solve for x
    x = 338,913,182,717.80/546,730.90
  6. Step 6: Final answer
    x = 619,890.30

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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.