Home / 912,240.58-1,258,854.86-504,316.48

Finding the Fourth Proportional to 912,240.58, 1,258,854.86 and 504,316.48

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Solution

The fourth proportional to 912,240.58, 1,258,854.86 and 504,316.48 is: 695,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,240.58 : 1,258,854.86 = 504,316.48 : x
  2. Step 2: Convert to fraction form
    912,240.58/1,258,854.86 = 504,316.48/x
  3. Step 3: Cross multiply
    912,240.58x = 1,258,854.86 × 504,316.48
  4. Step 4: Simplify right side
    912,240.58x = 634,861,251,826.09
  5. Step 5: Solve for x
    x = 634,861,251,826.09/912,240.58
  6. Step 6: Final answer
    x = 695,936.21

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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.