Home / 876,124.04-1,314,182.28-343,268.80

Finding the Fourth Proportional to 876,124.04, 1,314,182.28 and 343,268.80

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Solution

The fourth proportional to 876,124.04, 1,314,182.28 and 343,268.80 is: 514,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,124.04 : 1,314,182.28 = 343,268.80 : x
  2. Step 2: Convert to fraction form
    876,124.04/1,314,182.28 = 343,268.80/x
  3. Step 3: Cross multiply
    876,124.04x = 1,314,182.28 × 343,268.80
  4. Step 4: Simplify right side
    876,124.04x = 451,117,774,236.86
  5. Step 5: Solve for x
    x = 451,117,774,236.86/876,124.04
  6. Step 6: Final answer
    x = 514,901.72

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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.