Home / 558,016.76-836,762.62-389,727.10

Finding the Fourth Proportional to 558,016.76, 836,762.62 and 389,727.10

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Solution

The fourth proportional to 558,016.76, 836,762.62 and 389,727.10 is: 584,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,016.76 : 836,762.62 = 389,727.10 : x
  2. Step 2: Convert to fraction form
    558,016.76/836,762.62 = 389,727.10/x
  3. Step 3: Cross multiply
    558,016.76x = 836,762.62 × 389,727.10
  4. Step 4: Simplify right side
    558,016.76x = 326,109,069,281.00
  5. Step 5: Solve for x
    x = 326,109,069,281.00/558,016.76
  6. Step 6: Final answer
    x = 584,407.30

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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.