Home / 688,254.08-949,764.24-382,349.70

Finding the Fourth Proportional to 688,254.08, 949,764.24 and 382,349.70

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Solution

The fourth proportional to 688,254.08, 949,764.24 and 382,349.70 is: 527,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,254.08 : 949,764.24 = 382,349.70 : x
  2. Step 2: Convert to fraction form
    688,254.08/949,764.24 = 382,349.70/x
  3. Step 3: Cross multiply
    688,254.08x = 949,764.24 × 382,349.70
  4. Step 4: Simplify right side
    688,254.08x = 363,142,072,234.73
  5. Step 5: Solve for x
    x = 363,142,072,234.73/688,254.08
  6. Step 6: Final answer
    x = 527,627.93

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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.