Home / 572,740.92-790,392.24-314,628.75

Finding the Fourth Proportional to 572,740.92, 790,392.24 and 314,628.75

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Solution

The fourth proportional to 572,740.92, 790,392.24 and 314,628.75 is: 434,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,740.92 : 790,392.24 = 314,628.75 : x
  2. Step 2: Convert to fraction form
    572,740.92/790,392.24 = 314,628.75/x
  3. Step 3: Cross multiply
    572,740.92x = 790,392.24 × 314,628.75
  4. Step 4: Simplify right side
    572,740.92x = 248,680,122,480.90
  5. Step 5: Solve for x
    x = 248,680,122,480.90/572,740.92
  6. Step 6: Final answer
    x = 434,193.04

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Double scale
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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.