Home / 872,947.15-1,309,740.57-367,635.33

Finding the Fourth Proportional to 872,947.15, 1,309,740.57 and 367,635.33

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Solution

The fourth proportional to 872,947.15, 1,309,740.57 and 367,635.33 is: 551,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,947.15 : 1,309,740.57 = 367,635.33 : x
  2. Step 2: Convert to fraction form
    872,947.15/1,309,740.57 = 367,635.33/x
  3. Step 3: Cross multiply
    872,947.15x = 1,309,740.57 × 367,635.33
  4. Step 4: Simplify right side
    872,947.15x = 481,506,906,666.34
  5. Step 5: Solve for x
    x = 481,506,906,666.34/872,947.15
  6. Step 6: Final answer
    x = 551,587.70

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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.