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Finding the Fourth Proportional to 502,572, 693,549.36 and 276,217.50

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Solution

The fourth proportional to 502,572, 693,549.36 and 276,217.50 is: 381,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,572 : 693,549.36 = 276,217.50 : x
  2. Step 2: Convert to fraction form
    502,572/693,549.36 = 276,217.50/x
  3. Step 3: Cross multiply
    502,572x = 693,549.36 × 276,217.50
  4. Step 4: Simplify right side
    502,572x = 191,570,470,345.80
  5. Step 5: Solve for x
    x = 191,570,470,345.80/502,572
  6. Step 6: Final answer
    x = 381,180.15

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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.