Home / 873,419.28-1,308,029.40-498,305.04

Finding the Fourth Proportional to 873,419.28, 1,308,029.40 and 498,305.04

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Solution

The fourth proportional to 873,419.28, 1,308,029.40 and 498,305.04 is: 746,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,419.28 : 1,308,029.40 = 498,305.04 : x
  2. Step 2: Convert to fraction form
    873,419.28/1,308,029.40 = 498,305.04/x
  3. Step 3: Cross multiply
    873,419.28x = 1,308,029.40 × 498,305.04
  4. Step 4: Simplify right side
    873,419.28x = 651,797,642,488.18
  5. Step 5: Solve for x
    x = 651,797,642,488.18/873,419.28
  6. Step 6: Final answer
    x = 746,259.74

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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.