Home / 778,022.25-1,073,689.71-433,854.84

Finding the Fourth Proportional to 778,022.25, 1,073,689.71 and 433,854.84

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Solution

The fourth proportional to 778,022.25, 1,073,689.71 and 433,854.84 is: 598,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,022.25 : 1,073,689.71 = 433,854.84 : x
  2. Step 2: Convert to fraction form
    778,022.25/1,073,689.71 = 433,854.84/x
  3. Step 3: Cross multiply
    778,022.25x = 1,073,689.71 × 433,854.84
  4. Step 4: Simplify right side
    778,022.25x = 465,825,477,341.70
  5. Step 5: Solve for x
    x = 465,825,477,341.70/778,022.25
  6. Step 6: Final answer
    x = 598,730.28

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Double scale
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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.