Home / 991,476.86-1,368,258.28-538,797.02

Finding the Fourth Proportional to 991,476.86, 1,368,258.28 and 538,797.02

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Solution

The fourth proportional to 991,476.86, 1,368,258.28 and 538,797.02 is: 743,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,476.86 : 1,368,258.28 = 538,797.02 : x
  2. Step 2: Convert to fraction form
    991,476.86/1,368,258.28 = 538,797.02/x
  3. Step 3: Cross multiply
    991,476.86x = 1,368,258.28 × 538,797.02
  4. Step 4: Simplify right side
    991,476.86x = 737,213,475,666.04
  5. Step 5: Solve for x
    x = 737,213,475,666.04/991,476.86
  6. Step 6: Final answer
    x = 743,550.87

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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.