Home / 912,121.13-1,258,718.82-504,233.48

Finding the Fourth Proportional to 912,121.13, 1,258,718.82 and 504,233.48

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Solution

The fourth proportional to 912,121.13, 1,258,718.82 and 504,233.48 is: 695,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,121.13 : 1,258,718.82 = 504,233.48 : x
  2. Step 2: Convert to fraction form
    912,121.13/1,258,718.82 = 504,233.48/x
  3. Step 3: Cross multiply
    912,121.13x = 1,258,718.82 × 504,233.48
  4. Step 4: Simplify right side
    912,121.13x = 634,688,164,656.50
  5. Step 5: Solve for x
    x = 634,688,164,656.50/912,121.13
  6. Step 6: Final answer
    x = 695,837.59

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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.