Home / 739,235.20-1,109,371.20-473,641.60

Finding the Fourth Proportional to 739,235.20, 1,109,371.20 and 473,641.60

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Solution

The fourth proportional to 739,235.20, 1,109,371.20 and 473,641.60 is: 710,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,235.20 : 1,109,371.20 = 473,641.60 : x
  2. Step 2: Convert to fraction form
    739,235.20/1,109,371.20 = 473,641.60/x
  3. Step 3: Cross multiply
    739,235.20x = 1,109,371.20 × 473,641.60
  4. Step 4: Simplify right side
    739,235.20x = 525,444,350,161.92
  5. Step 5: Solve for x
    x = 525,444,350,161.92/739,235.20
  6. Step 6: Final answer
    x = 710,794.55

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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.