Home / 739,833.60-1,109,102.40-502,406.40

Finding the Fourth Proportional to 739,833.60, 1,109,102.40 and 502,406.40

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Solution

The fourth proportional to 739,833.60, 1,109,102.40 and 502,406.40 is: 753,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,833.60 : 1,109,102.40 = 502,406.40 : x
  2. Step 2: Convert to fraction form
    739,833.60/1,109,102.40 = 502,406.40/x
  3. Step 3: Cross multiply
    739,833.60x = 1,109,102.40 × 502,406.40
  4. Step 4: Simplify right side
    739,833.60x = 557,220,144,015.36
  5. Step 5: Solve for x
    x = 557,220,144,015.36/739,833.60
  6. Step 6: Final answer
    x = 753,169.56

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1.5x scale

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.