Home / 782,908.62-1,080,347.94-434,058.36

Finding the Fourth Proportional to 782,908.62, 1,080,347.94 and 434,058.36

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Solution

The fourth proportional to 782,908.62, 1,080,347.94 and 434,058.36 is: 598,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,908.62 : 1,080,347.94 = 434,058.36 : x
  2. Step 2: Convert to fraction form
    782,908.62/1,080,347.94 = 434,058.36/x
  3. Step 3: Cross multiply
    782,908.62x = 1,080,347.94 × 434,058.36
  4. Step 4: Simplify right side
    782,908.62x = 468,934,055,065.78
  5. Step 5: Solve for x
    x = 468,934,055,065.78/782,908.62
  6. Step 6: Final answer
    x = 598,963.97

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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.