Home / 497,948.70-745,938.90-272,906.40

Finding the Fourth Proportional to 497,948.70, 745,938.90 and 272,906.40

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Solution

The fourth proportional to 497,948.70, 745,938.90 and 272,906.40 is: 408,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,948.70 : 745,938.90 = 272,906.40 : x
  2. Step 2: Convert to fraction form
    497,948.70/745,938.90 = 272,906.40/x
  3. Step 3: Cross multiply
    497,948.70x = 745,938.90 × 272,906.40
  4. Step 4: Simplify right side
    497,948.70x = 203,571,499,818.96
  5. Step 5: Solve for x
    x = 203,571,499,818.96/497,948.70
  6. Step 6: Final answer
    x = 408,820.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.