Home / 630,159.40-944,375.10-404,828.20

Finding the Fourth Proportional to 630,159.40, 944,375.10 and 404,828.20

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Solution

The fourth proportional to 630,159.40, 944,375.10 and 404,828.20 is: 606,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,159.40 : 944,375.10 = 404,828.20 : x
  2. Step 2: Convert to fraction form
    630,159.40/944,375.10 = 404,828.20/x
  3. Step 3: Cross multiply
    630,159.40x = 944,375.10 × 404,828.20
  4. Step 4: Simplify right side
    630,159.40x = 382,309,671,857.82
  5. Step 5: Solve for x
    x = 382,309,671,857.82/630,159.40
  6. Step 6: Final answer
    x = 606,687.25

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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.