Home / 850,349.28-1,173,432.24-487,832.16

Finding the Fourth Proportional to 850,349.28, 1,173,432.24 and 487,832.16

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Solution

The fourth proportional to 850,349.28, 1,173,432.24 and 487,832.16 is: 673,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,349.28 : 1,173,432.24 = 487,832.16 : x
  2. Step 2: Convert to fraction form
    850,349.28/1,173,432.24 = 487,832.16/x
  3. Step 3: Cross multiply
    850,349.28x = 1,173,432.24 × 487,832.16
  4. Step 4: Simplify right side
    850,349.28x = 572,437,984,252.84
  5. Step 5: Solve for x
    x = 572,437,984,252.84/850,349.28
  6. Step 6: Final answer
    x = 673,179.83

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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.