Home / 763,045.47-1,144,556.51-257,961.24

Finding the Fourth Proportional to 763,045.47, 1,144,556.51 and 257,961.24

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Solution

The fourth proportional to 763,045.47, 1,144,556.51 and 257,961.24 is: 386,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,045.47 : 1,144,556.51 = 257,961.24 : x
  2. Step 2: Convert to fraction form
    763,045.47/1,144,556.51 = 257,961.24/x
  3. Step 3: Cross multiply
    763,045.47x = 1,144,556.51 × 257,961.24
  4. Step 4: Simplify right side
    763,045.47x = 295,251,215,279.87
  5. Step 5: Solve for x
    x = 295,251,215,279.87/763,045.47
  6. Step 6: Final answer
    x = 386,937.90

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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.