Home / 778,746.80-1,165,528.20-564,906.80

Finding the Fourth Proportional to 778,746.80, 1,165,528.20 and 564,906.80

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Solution

The fourth proportional to 778,746.80, 1,165,528.20 and 564,906.80 is: 845,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,746.80 : 1,165,528.20 = 564,906.80 : x
  2. Step 2: Convert to fraction form
    778,746.80/1,165,528.20 = 564,906.80/x
  3. Step 3: Cross multiply
    778,746.80x = 1,165,528.20 × 564,906.80
  4. Step 4: Simplify right side
    778,746.80x = 658,414,805,771.76
  5. Step 5: Solve for x
    x = 658,414,805,771.76/778,746.80
  6. Step 6: Final answer
    x = 845,479.95

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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.