Home / 888,470.75-1,226,089.64-480,572.57

Finding the Fourth Proportional to 888,470.75, 1,226,089.64 and 480,572.57

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Solution

The fourth proportional to 888,470.75, 1,226,089.64 and 480,572.57 is: 663,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,470.75 : 1,226,089.64 = 480,572.57 : x
  2. Step 2: Convert to fraction form
    888,470.75/1,226,089.64 = 480,572.57/x
  3. Step 3: Cross multiply
    888,470.75x = 1,226,089.64 × 480,572.57
  4. Step 4: Simplify right side
    888,470.75x = 589,225,046,942.31
  5. Step 5: Solve for x
    x = 589,225,046,942.31/888,470.75
  6. Step 6: Final answer
    x = 663,190.15

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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.