Home / 502,277.50-693,155.45-272,834.72

Finding the Fourth Proportional to 502,277.50, 693,155.45 and 272,834.72

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Solution

The fourth proportional to 502,277.50, 693,155.45 and 272,834.72 is: 376,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,277.50 : 693,155.45 = 272,834.72 : x
  2. Step 2: Convert to fraction form
    502,277.50/693,155.45 = 272,834.72/x
  3. Step 3: Cross multiply
    502,277.50x = 693,155.45 × 272,834.72
  4. Step 4: Simplify right side
    502,277.50x = 189,116,873,117.22
  5. Step 5: Solve for x
    x = 189,116,873,117.22/502,277.50
  6. Step 6: Final answer
    x = 376,518.70

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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.