Home / 780,247.52-1,170,411.76-247,810.22

Finding the Fourth Proportional to 780,247.52, 1,170,411.76 and 247,810.22

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Solution

The fourth proportional to 780,247.52, 1,170,411.76 and 247,810.22 is: 371,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,247.52 : 1,170,411.76 = 247,810.22 : x
  2. Step 2: Convert to fraction form
    780,247.52/1,170,411.76 = 247,810.22/x
  3. Step 3: Cross multiply
    780,247.52x = 1,170,411.76 × 247,810.22
  4. Step 4: Simplify right side
    780,247.52x = 290,039,995,736.19
  5. Step 5: Solve for x
    x = 290,039,995,736.19/780,247.52
  6. Step 6: Final answer
    x = 371,728.19

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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.