Home / 774,520.88-1,068,939.05-434,989.13

Finding the Fourth Proportional to 774,520.88, 1,068,939.05 and 434,989.13

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Solution

The fourth proportional to 774,520.88, 1,068,939.05 and 434,989.13 is: 600,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,520.88 : 1,068,939.05 = 434,989.13 : x
  2. Step 2: Convert to fraction form
    774,520.88/1,068,939.05 = 434,989.13/x
  3. Step 3: Cross multiply
    774,520.88x = 1,068,939.05 × 434,989.13
  4. Step 4: Simplify right side
    774,520.88x = 464,976,859,862.89
  5. Step 5: Solve for x
    x = 464,976,859,862.89/774,520.88
  6. Step 6: Final answer
    x = 600,341.29

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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.