Home / 875,353.56-1,207,997.15-493,380.35

Finding the Fourth Proportional to 875,353.56, 1,207,997.15 and 493,380.35

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Solution

The fourth proportional to 875,353.56, 1,207,997.15 and 493,380.35 is: 680,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,353.56 : 1,207,997.15 = 493,380.35 : x
  2. Step 2: Convert to fraction form
    875,353.56/1,207,997.15 = 493,380.35/x
  3. Step 3: Cross multiply
    875,353.56x = 1,207,997.15 × 493,380.35
  4. Step 4: Simplify right side
    875,353.56x = 596,002,048,159.12
  5. Step 5: Solve for x
    x = 596,002,048,159.12/875,353.56
  6. Step 6: Final answer
    x = 680,870.08

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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.