Home / 549,787.52-758,256.90-386,982.96

Finding the Fourth Proportional to 549,787.52, 758,256.90 and 386,982.96

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Solution

The fourth proportional to 549,787.52, 758,256.90 and 386,982.96 is: 533,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,787.52 : 758,256.90 = 386,982.96 : x
  2. Step 2: Convert to fraction form
    549,787.52/758,256.90 = 386,982.96/x
  3. Step 3: Cross multiply
    549,787.52x = 758,256.90 × 386,982.96
  4. Step 4: Simplify right side
    549,787.52x = 293,432,499,602.42
  5. Step 5: Solve for x
    x = 293,432,499,602.42/549,787.52
  6. Step 6: Final answer
    x = 533,719.83

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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.