Home / 782,404.02-1,173,467.28-355,839.93

Finding the Fourth Proportional to 782,404.02, 1,173,467.28 and 355,839.93

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Solution

The fourth proportional to 782,404.02, 1,173,467.28 and 355,839.93 is: 533,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,404.02 : 1,173,467.28 = 355,839.93 : x
  2. Step 2: Convert to fraction form
    782,404.02/1,173,467.28 = 355,839.93/x
  3. Step 3: Cross multiply
    782,404.02x = 1,173,467.28 × 355,839.93
  4. Step 4: Simplify right side
    782,404.02x = 417,566,514,772.49
  5. Step 5: Solve for x
    x = 417,566,514,772.49/782,404.02
  6. Step 6: Final answer
    x = 533,696.79

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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.