Home / 522,524.24-721,150.15-307,684.29

Finding the Fourth Proportional to 522,524.24, 721,150.15 and 307,684.29

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Solution

The fourth proportional to 522,524.24, 721,150.15 and 307,684.29 is: 424,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,524.24 : 721,150.15 = 307,684.29 : x
  2. Step 2: Convert to fraction form
    522,524.24/721,150.15 = 307,684.29/x
  3. Step 3: Cross multiply
    522,524.24x = 721,150.15 × 307,684.29
  4. Step 4: Simplify right side
    522,524.24x = 221,886,571,886.14
  5. Step 5: Solve for x
    x = 221,886,571,886.14/522,524.24
  6. Step 6: Final answer
    x = 424,643.60

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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.