Home / 688,365.03-949,771.95-412,766.15

Finding the Fourth Proportional to 688,365.03, 949,771.95 and 412,766.15

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Solution

The fourth proportional to 688,365.03, 949,771.95 and 412,766.15 is: 569,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,365.03 : 949,771.95 = 412,766.15 : x
  2. Step 2: Convert to fraction form
    688,365.03/949,771.95 = 412,766.15/x
  3. Step 3: Cross multiply
    688,365.03x = 949,771.95 × 412,766.15
  4. Step 4: Simplify right side
    688,365.03x = 392,033,704,882.76
  5. Step 5: Solve for x
    x = 392,033,704,882.76/688,365.03
  6. Step 6: Final answer
    x = 569,514.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.