Home / 730,943.78-1,008,795.08-408,672.95

Finding the Fourth Proportional to 730,943.78, 1,008,795.08 and 408,672.95

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Solution

The fourth proportional to 730,943.78, 1,008,795.08 and 408,672.95 is: 564,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,943.78 : 1,008,795.08 = 408,672.95 : x
  2. Step 2: Convert to fraction form
    730,943.78/1,008,795.08 = 408,672.95/x
  3. Step 3: Cross multiply
    730,943.78x = 1,008,795.08 × 408,672.95
  4. Step 4: Simplify right side
    730,943.78x = 412,267,257,266.79
  5. Step 5: Solve for x
    x = 412,267,257,266.79/730,943.78
  6. Step 6: Final answer
    x = 564,020.48

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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.