Home / 780,251.02-1,170,417-247,813.72

Finding the Fourth Proportional to 780,251.02, 1,170,417 and 247,813.72

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Solution

The fourth proportional to 780,251.02, 1,170,417 and 247,813.72 is: 371,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,251.02 : 1,170,417 = 247,813.72 : x
  2. Step 2: Convert to fraction form
    780,251.02/1,170,417 = 247,813.72/x
  3. Step 3: Cross multiply
    780,251.02x = 1,170,417 × 247,813.72
  4. Step 4: Simplify right side
    780,251.02x = 290,045,390,721.24
  5. Step 5: Solve for x
    x = 290,045,390,721.24/780,251.02
  6. Step 6: Final answer
    x = 371,733.43

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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.