Home / 780,270.20-1,170,437.70-247,776.20

Finding the Fourth Proportional to 780,270.20, 1,170,437.70 and 247,776.20

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Solution

The fourth proportional to 780,270.20, 1,170,437.70 and 247,776.20 is: 371,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,270.20 : 1,170,437.70 = 247,776.20 : x
  2. Step 2: Convert to fraction form
    780,270.20/1,170,437.70 = 247,776.20/x
  3. Step 3: Cross multiply
    780,270.20x = 1,170,437.70 × 247,776.20
  4. Step 4: Simplify right side
    780,270.20x = 290,006,605,642.74
  5. Step 5: Solve for x
    x = 290,006,605,642.74/780,270.20
  6. Step 6: Final answer
    x = 371,674.59

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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.