Home / 518,478.02-777,713.39-144,501.02

Finding the Fourth Proportional to 518,478.02, 777,713.39 and 144,501.02

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Solution

The fourth proportional to 518,478.02, 777,713.39 and 144,501.02 is: 216,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,478.02 : 777,713.39 = 144,501.02 : x
  2. Step 2: Convert to fraction form
    518,478.02/777,713.39 = 144,501.02/x
  3. Step 3: Cross multiply
    518,478.02x = 777,713.39 × 144,501.02
  4. Step 4: Simplify right side
    518,478.02x = 112,380,377,400.15
  5. Step 5: Solve for x
    x = 112,380,377,400.15/518,478.02
  6. Step 6: Final answer
    x = 216,750.51

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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.