Home / 912,641.22-1,259,447.76-510,233.22

Finding the Fourth Proportional to 912,641.22, 1,259,447.76 and 510,233.22

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Solution

The fourth proportional to 912,641.22, 1,259,447.76 and 510,233.22 is: 704,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,641.22 : 1,259,447.76 = 510,233.22 : x
  2. Step 2: Convert to fraction form
    912,641.22/1,259,447.76 = 510,233.22/x
  3. Step 3: Cross multiply
    912,641.22x = 1,259,447.76 × 510,233.22
  4. Step 4: Simplify right side
    912,641.22x = 642,612,086,006.59
  5. Step 5: Solve for x
    x = 642,612,086,006.59/912,641.22
  6. Step 6: Final answer
    x = 704,123.45

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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.