Home / 522,492.12-721,039.32-296,139.24

Finding the Fourth Proportional to 522,492.12, 721,039.32 and 296,139.24

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Solution

The fourth proportional to 522,492.12, 721,039.32 and 296,139.24 is: 408,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,492.12 : 721,039.32 = 296,139.24 : x
  2. Step 2: Convert to fraction form
    522,492.12/721,039.32 = 296,139.24/x
  3. Step 3: Cross multiply
    522,492.12x = 721,039.32 × 296,139.24
  4. Step 4: Simplify right side
    522,492.12x = 213,528,036,234.92
  5. Step 5: Solve for x
    x = 213,528,036,234.92/522,492.12
  6. Step 6: Final answer
    x = 408,672.26

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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.