Home / 888,340.48-1,225,909.76-485,931.52

Finding the Fourth Proportional to 888,340.48, 1,225,909.76 and 485,931.52

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Solution

The fourth proportional to 888,340.48, 1,225,909.76 and 485,931.52 is: 670,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,340.48 : 1,225,909.76 = 485,931.52 : x
  2. Step 2: Convert to fraction form
    888,340.48/1,225,909.76 = 485,931.52/x
  3. Step 3: Cross multiply
    888,340.48x = 1,225,909.76 × 485,931.52
  4. Step 4: Simplify right side
    888,340.48x = 595,708,193,059.64
  5. Step 5: Solve for x
    x = 595,708,193,059.64/888,340.48
  6. Step 6: Final answer
    x = 670,585.44

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1.5x scale

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.