Home / 676,655.48-1,014,665.36-392,426.80

Finding the Fourth Proportional to 676,655.48, 1,014,665.36 and 392,426.80

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Solution

The fourth proportional to 676,655.48, 1,014,665.36 and 392,426.80 is: 588,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,655.48 : 1,014,665.36 = 392,426.80 : x
  2. Step 2: Convert to fraction form
    676,655.48/1,014,665.36 = 392,426.80/x
  3. Step 3: Cross multiply
    676,655.48x = 1,014,665.36 × 392,426.80
  4. Step 4: Simplify right side
    676,655.48x = 398,181,880,295.65
  5. Step 5: Solve for x
    x = 398,181,880,295.65/676,655.48
  6. Step 6: Final answer
    x = 588,455.86

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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.