Home / 780,040.80-1,170,094.68-247,583.52

Finding the Fourth Proportional to 780,040.80, 1,170,094.68 and 247,583.52

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Solution

The fourth proportional to 780,040.80, 1,170,094.68 and 247,583.52 is: 371,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,040.80 : 1,170,094.68 = 247,583.52 : x
  2. Step 2: Convert to fraction form
    780,040.80/1,170,094.68 = 247,583.52/x
  3. Step 3: Cross multiply
    780,040.80x = 1,170,094.68 × 247,583.52
  4. Step 4: Simplify right side
    780,040.80x = 289,696,159,607.67
  5. Step 5: Solve for x
    x = 289,696,159,607.67/780,040.80
  6. Step 6: Final answer
    x = 371,385.91

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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.