Home / 678,456.55-1,022,561.48-584,816.91

Finding the Fourth Proportional to 678,456.55, 1,022,561.48 and 584,816.91

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Solution

The fourth proportional to 678,456.55, 1,022,561.48 and 584,816.91 is: 881,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,456.55 : 1,022,561.48 = 584,816.91 : x
  2. Step 2: Convert to fraction form
    678,456.55/1,022,561.48 = 584,816.91/x
  3. Step 3: Cross multiply
    678,456.55x = 1,022,561.48 × 584,816.91
  4. Step 4: Simplify right side
    678,456.55x = 598,011,245,018.63
  5. Step 5: Solve for x
    x = 598,011,245,018.63/678,456.55
  6. Step 6: Final answer
    x = 881,428.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.