Home / 779,510.10-1,169,301.60-247,072.80

Finding the Fourth Proportional to 779,510.10, 1,169,301.60 and 247,072.80

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Solution

The fourth proportional to 779,510.10, 1,169,301.60 and 247,072.80 is: 370,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,510.10 : 1,169,301.60 = 247,072.80 : x
  2. Step 2: Convert to fraction form
    779,510.10/1,169,301.60 = 247,072.80/x
  3. Step 3: Cross multiply
    779,510.10x = 1,169,301.60 × 247,072.80
  4. Step 4: Simplify right side
    779,510.10x = 288,902,620,356.48
  5. Step 5: Solve for x
    x = 288,902,620,356.48/779,510.10
  6. Step 6: Final answer
    x = 370,620.75

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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.