Home / 912,298.35-1,258,920.86-504,376.41

Finding the Fourth Proportional to 912,298.35, 1,258,920.86 and 504,376.41

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Solution

The fourth proportional to 912,298.35, 1,258,920.86 and 504,376.41 is: 696,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,298.35 : 1,258,920.86 = 504,376.41 : x
  2. Step 2: Convert to fraction form
    912,298.35/1,258,920.86 = 504,376.41/x
  3. Step 3: Cross multiply
    912,298.35x = 1,258,920.86 × 504,376.41
  4. Step 4: Simplify right side
    912,298.35x = 634,969,981,319.03
  5. Step 5: Solve for x
    x = 634,969,981,319.03/912,298.35
  6. Step 6: Final answer
    x = 696,011.32

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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.