Home / 923,889.60-1,387,000.80-497,764.80

Finding the Fourth Proportional to 923,889.60, 1,387,000.80 and 497,764.80

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Solution

The fourth proportional to 923,889.60, 1,387,000.80 and 497,764.80 is: 747,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,889.60 : 1,387,000.80 = 497,764.80 : x
  2. Step 2: Convert to fraction form
    923,889.60/1,387,000.80 = 497,764.80/x
  3. Step 3: Cross multiply
    923,889.60x = 1,387,000.80 × 497,764.80
  4. Step 4: Simplify right side
    923,889.60x = 690,400,175,811.84
  5. Step 5: Solve for x
    x = 690,400,175,811.84/923,889.60
  6. Step 6: Final answer
    x = 747,275.62

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1.5x scale

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.