Home / 992,399.04-1,369,539.36-610,649.28

Finding the Fourth Proportional to 992,399.04, 1,369,539.36 and 610,649.28

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Solution

The fourth proportional to 992,399.04, 1,369,539.36 and 610,649.28 is: 842,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,399.04 : 1,369,539.36 = 610,649.28 : x
  2. Step 2: Convert to fraction form
    992,399.04/1,369,539.36 = 610,649.28/x
  3. Step 3: Cross multiply
    992,399.04x = 1,369,539.36 × 610,649.28
  4. Step 4: Simplify right side
    992,399.04x = 836,308,224,115.66
  5. Step 5: Solve for x
    x = 836,308,224,115.66/992,399.04
  6. Step 6: Final answer
    x = 842,713.66

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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.