Home / 913,254.32-1,370,712.54-487,151.40

Finding the Fourth Proportional to 913,254.32, 1,370,712.54 and 487,151.40

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Solution

The fourth proportional to 913,254.32, 1,370,712.54 and 487,151.40 is: 731,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,254.32 : 1,370,712.54 = 487,151.40 : x
  2. Step 2: Convert to fraction form
    913,254.32/1,370,712.54 = 487,151.40/x
  3. Step 3: Cross multiply
    913,254.32x = 1,370,712.54 × 487,151.40
  4. Step 4: Simplify right side
    913,254.32x = 667,744,532,858.56
  5. Step 5: Solve for x
    x = 667,744,532,858.56/913,254.32
  6. Step 6: Final answer
    x = 731,170.41

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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.