Home / 907,656.87-1,252,556.13-499,750.20

Finding the Fourth Proportional to 907,656.87, 1,252,556.13 and 499,750.20

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Solution

The fourth proportional to 907,656.87, 1,252,556.13 and 499,750.20 is: 689,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,656.87 : 1,252,556.13 = 499,750.20 : x
  2. Step 2: Convert to fraction form
    907,656.87/1,252,556.13 = 499,750.20/x
  3. Step 3: Cross multiply
    907,656.87x = 1,252,556.13 × 499,750.20
  4. Step 4: Simplify right side
    907,656.87x = 625,965,176,478.73
  5. Step 5: Solve for x
    x = 625,965,176,478.73/907,656.87
  6. Step 6: Final answer
    x = 689,649.58

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1.5x scale

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.