Home / 508,432.02-762,648.96-208,703.70

Finding the Fourth Proportional to 508,432.02, 762,648.96 and 208,703.70

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Solution

The fourth proportional to 508,432.02, 762,648.96 and 208,703.70 is: 313,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,432.02 : 762,648.96 = 208,703.70 : x
  2. Step 2: Convert to fraction form
    508,432.02/762,648.96 = 208,703.70/x
  3. Step 3: Cross multiply
    508,432.02x = 762,648.96 × 208,703.70
  4. Step 4: Simplify right side
    508,432.02x = 159,167,659,753.15
  5. Step 5: Solve for x
    x = 159,167,659,753.15/508,432.02
  6. Step 6: Final answer
    x = 313,055.93

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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.