Home / 714,140.85-1,070,103.80-413,876.69

Finding the Fourth Proportional to 714,140.85, 1,070,103.80 and 413,876.69

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Solution

The fourth proportional to 714,140.85, 1,070,103.80 and 413,876.69 is: 620,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,140.85 : 1,070,103.80 = 413,876.69 : x
  2. Step 2: Convert to fraction form
    714,140.85/1,070,103.80 = 413,876.69/x
  3. Step 3: Cross multiply
    714,140.85x = 1,070,103.80 × 413,876.69
  4. Step 4: Simplify right side
    714,140.85x = 442,891,014,384.60
  5. Step 5: Solve for x
    x = 442,891,014,384.60/714,140.85
  6. Step 6: Final answer
    x = 620,173.20

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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.