Home / 729,281.95-1,094,039.56-308,561.47

Finding the Fourth Proportional to 729,281.95, 1,094,039.56 and 308,561.47

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Solution

The fourth proportional to 729,281.95, 1,094,039.56 and 308,561.47 is: 462,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,281.95 : 1,094,039.56 = 308,561.47 : x
  2. Step 2: Convert to fraction form
    729,281.95/1,094,039.56 = 308,561.47/x
  3. Step 3: Cross multiply
    729,281.95x = 1,094,039.56 × 308,561.47
  4. Step 4: Simplify right side
    729,281.95x = 337,578,452,522.36
  5. Step 5: Solve for x
    x = 337,578,452,522.36/729,281.95
  6. Step 6: Final answer
    x = 462,891.55

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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.