Home / 912,825.18-1,259,601.81-504,862.20

Finding the Fourth Proportional to 912,825.18, 1,259,601.81 and 504,862.20

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Solution

The fourth proportional to 912,825.18, 1,259,601.81 and 504,862.20 is: 696,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,825.18 : 1,259,601.81 = 504,862.20 : x
  2. Step 2: Convert to fraction form
    912,825.18/1,259,601.81 = 504,862.20/x
  3. Step 3: Cross multiply
    912,825.18x = 1,259,601.81 × 504,862.20
  4. Step 4: Simplify right side
    912,825.18x = 635,925,340,920.58
  5. Step 5: Solve for x
    x = 635,925,340,920.58/912,825.18
  6. Step 6: Final answer
    x = 696,656.22

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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.