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Finding the Fourth Proportional to 518,478.27, 777,713.76 and 144,501.27

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Solution

The fourth proportional to 518,478.27, 777,713.76 and 144,501.27 is: 216,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,478.27 : 777,713.76 = 144,501.27 : x
  2. Step 2: Convert to fraction form
    518,478.27/777,713.76 = 144,501.27/x
  3. Step 3: Cross multiply
    518,478.27x = 777,713.76 × 144,501.27
  4. Step 4: Simplify right side
    518,478.27x = 112,380,626,016.48
  5. Step 5: Solve for x
    x = 112,380,626,016.48/518,478.27
  6. Step 6: Final answer
    x = 216,750.89

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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.