Home / 772,456.90-1,158,794.70-239,922.40

Finding the Fourth Proportional to 772,456.90, 1,158,794.70 and 239,922.40

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Solution

The fourth proportional to 772,456.90, 1,158,794.70 and 239,922.40 is: 359,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,456.90 : 1,158,794.70 = 239,922.40 : x
  2. Step 2: Convert to fraction form
    772,456.90/1,158,794.70 = 239,922.40/x
  3. Step 3: Cross multiply
    772,456.90x = 1,158,794.70 × 239,922.40
  4. Step 4: Simplify right side
    772,456.90x = 278,020,805,531.28
  5. Step 5: Solve for x
    x = 278,020,805,531.28/772,456.90
  6. Step 6: Final answer
    x = 359,917.56

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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.