Home / 991,842.28-1,368,891.92-604,882.20

Finding the Fourth Proportional to 991,842.28, 1,368,891.92 and 604,882.20

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Solution

The fourth proportional to 991,842.28, 1,368,891.92 and 604,882.20 is: 834,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,842.28 : 1,368,891.92 = 604,882.20 : x
  2. Step 2: Convert to fraction form
    991,842.28/1,368,891.92 = 604,882.20/x
  3. Step 3: Cross multiply
    991,842.28x = 1,368,891.92 × 604,882.20
  4. Step 4: Simplify right side
    991,842.28x = 828,018,356,131.82
  5. Step 5: Solve for x
    x = 828,018,356,131.82/991,842.28
  6. Step 6: Final answer
    x = 834,828.65

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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.