Home / 426,655.20-588,780.48-235,681.92

Finding the Fourth Proportional to 426,655.20, 588,780.48 and 235,681.92

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Solution

The fourth proportional to 426,655.20, 588,780.48 and 235,681.92 is: 325,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,655.20 : 588,780.48 = 235,681.92 : x
  2. Step 2: Convert to fraction form
    426,655.20/588,780.48 = 235,681.92/x
  3. Step 3: Cross multiply
    426,655.20x = 588,780.48 × 235,681.92
  4. Step 4: Simplify right side
    426,655.20x = 138,764,913,984.92
  5. Step 5: Solve for x
    x = 138,764,913,984.92/426,655.20
  6. Step 6: Final answer
    x = 325,239.01

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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.