Home / 558,984.87-771,387.01-326,451.80

Finding the Fourth Proportional to 558,984.87, 771,387.01 and 326,451.80

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Solution

The fourth proportional to 558,984.87, 771,387.01 and 326,451.80 is: 450,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,984.87 : 771,387.01 = 326,451.80 : x
  2. Step 2: Convert to fraction form
    558,984.87/771,387.01 = 326,451.80/x
  3. Step 3: Cross multiply
    558,984.87x = 771,387.01 × 326,451.80
  4. Step 4: Simplify right side
    558,984.87x = 251,820,679,023.46
  5. Step 5: Solve for x
    x = 251,820,679,023.46/558,984.87
  6. Step 6: Final answer
    x = 450,496.41

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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.