Home / 780,247.13-1,170,411.18-247,809.83

Finding the Fourth Proportional to 780,247.13, 1,170,411.18 and 247,809.83

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Solution

The fourth proportional to 780,247.13, 1,170,411.18 and 247,809.83 is: 371,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,247.13 : 1,170,411.18 = 247,809.83 : x
  2. Step 2: Convert to fraction form
    780,247.13/1,170,411.18 = 247,809.83/x
  3. Step 3: Cross multiply
    780,247.13x = 1,170,411.18 × 247,809.83
  4. Step 4: Simplify right side
    780,247.13x = 290,039,389,693.84
  5. Step 5: Solve for x
    x = 290,039,389,693.84/780,247.13
  6. Step 6: Final answer
    x = 371,727.60

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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.