Home / 888,487.50-1,226,113.56-486,079.50

Finding the Fourth Proportional to 888,487.50, 1,226,113.56 and 486,079.50

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Solution

The fourth proportional to 888,487.50, 1,226,113.56 and 486,079.50 is: 670,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,487.50 : 1,226,113.56 = 486,079.50 : x
  2. Step 2: Convert to fraction form
    888,487.50/1,226,113.56 = 486,079.50/x
  3. Step 3: Cross multiply
    888,487.50x = 1,226,113.56 × 486,079.50
  4. Step 4: Simplify right side
    888,487.50x = 595,988,666,188.02
  5. Step 5: Solve for x
    x = 595,988,666,188.02/888,487.50
  6. Step 6: Final answer
    x = 670,790.15

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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.