Home / 824,651.68-1,137,530.64-522,320.80

Finding the Fourth Proportional to 824,651.68, 1,137,530.64 and 522,320.80

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Solution

The fourth proportional to 824,651.68, 1,137,530.64 and 522,320.80 is: 720,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,651.68 : 1,137,530.64 = 522,320.80 : x
  2. Step 2: Convert to fraction form
    824,651.68/1,137,530.64 = 522,320.80/x
  3. Step 3: Cross multiply
    824,651.68x = 1,137,530.64 × 522,320.80
  4. Step 4: Simplify right side
    824,651.68x = 594,155,913,909.31
  5. Step 5: Solve for x
    x = 594,155,913,909.31/824,651.68
  6. Step 6: Final answer
    x = 720,493.18

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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.