Home / 778,875.20-1,168,422.15-246,340.70

Finding the Fourth Proportional to 778,875.20, 1,168,422.15 and 246,340.70

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Solution

The fourth proportional to 778,875.20, 1,168,422.15 and 246,340.70 is: 369,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,875.20 : 1,168,422.15 = 246,340.70 : x
  2. Step 2: Convert to fraction form
    778,875.20/1,168,422.15 = 246,340.70/x
  3. Step 3: Cross multiply
    778,875.20x = 1,168,422.15 × 246,340.70
  4. Step 4: Simplify right side
    778,875.20x = 287,829,930,326.51
  5. Step 5: Solve for x
    x = 287,829,930,326.51/778,875.20
  6. Step 6: Final answer
    x = 369,545.63

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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.