Home / 651,115.20-976,543.20-314,155.20

Finding the Fourth Proportional to 651,115.20, 976,543.20 and 314,155.20

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Solution

The fourth proportional to 651,115.20, 976,543.20 and 314,155.20 is: 471,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,115.20 : 976,543.20 = 314,155.20 : x
  2. Step 2: Convert to fraction form
    651,115.20/976,543.20 = 314,155.20/x
  3. Step 3: Cross multiply
    651,115.20x = 976,543.20 × 314,155.20
  4. Step 4: Simplify right side
    651,115.20x = 306,786,124,304.64
  5. Step 5: Solve for x
    x = 306,786,124,304.64/651,115.20
  6. Step 6: Final answer
    x = 471,170.27

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1.5x scale

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.