Home / 676,650.48-1,014,657.86-392,421.80

Finding the Fourth Proportional to 676,650.48, 1,014,657.86 and 392,421.80

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Solution

The fourth proportional to 676,650.48, 1,014,657.86 and 392,421.80 is: 588,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,650.48 : 1,014,657.86 = 392,421.80 : x
  2. Step 2: Convert to fraction form
    676,650.48/1,014,657.86 = 392,421.80/x
  3. Step 3: Cross multiply
    676,650.48x = 1,014,657.86 × 392,421.80
  4. Step 4: Simplify right side
    676,650.48x = 398,173,863,805.35
  5. Step 5: Solve for x
    x = 398,173,863,805.35/676,650.48
  6. Step 6: Final answer
    x = 588,448.36

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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.