Home / 714,023.75-1,070,510.75-340,309.19

Finding the Fourth Proportional to 714,023.75, 1,070,510.75 and 340,309.19

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Solution

The fourth proportional to 714,023.75, 1,070,510.75 and 340,309.19 is: 510,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,023.75 : 1,070,510.75 = 340,309.19 : x
  2. Step 2: Convert to fraction form
    714,023.75/1,070,510.75 = 340,309.19/x
  3. Step 3: Cross multiply
    714,023.75x = 1,070,510.75 × 340,309.19
  4. Step 4: Simplify right side
    714,023.75x = 364,304,648,469.68
  5. Step 5: Solve for x
    x = 364,304,648,469.68/714,023.75
  6. Step 6: Final answer
    x = 510,213.63

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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.