Home / 689,119.60-1,031,605.80-606,175.60

Finding the Fourth Proportional to 689,119.60, 1,031,605.80 and 606,175.60

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Solution

The fourth proportional to 689,119.60, 1,031,605.80 and 606,175.60 is: 907,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,119.60 : 1,031,605.80 = 606,175.60 : x
  2. Step 2: Convert to fraction form
    689,119.60/1,031,605.80 = 606,175.60/x
  3. Step 3: Cross multiply
    689,119.60x = 1,031,605.80 × 606,175.60
  4. Step 4: Simplify right side
    689,119.60x = 625,334,264,778.48
  5. Step 5: Solve for x
    x = 625,334,264,778.48/689,119.60
  6. Step 6: Final answer
    x = 907,439.38

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1.5x scale

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.