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Finding the Fourth Proportional to 518,301.83, 777,452.74 and 518,301.83

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Solution

The fourth proportional to 518,301.83, 777,452.74 and 518,301.83 is: 777,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,301.83 : 777,452.74 = 518,301.83 : x
  2. Step 2: Convert to fraction form
    518,301.83/777,452.74 = 518,301.83/x
  3. Step 3: Cross multiply
    518,301.83x = 777,452.74 × 518,301.83
  4. Step 4: Simplify right side
    518,301.83x = 402,955,172,697.50
  5. Step 5: Solve for x
    x = 402,955,172,697.50/518,301.83
  6. Step 6: Final answer
    x = 777,452.74

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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.