Home / 859,555.94-1,287,562.02-503,490.46

Finding the Fourth Proportional to 859,555.94, 1,287,562.02 and 503,490.46

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Solution

The fourth proportional to 859,555.94, 1,287,562.02 and 503,490.46 is: 754,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,555.94 : 1,287,562.02 = 503,490.46 : x
  2. Step 2: Convert to fraction form
    859,555.94/1,287,562.02 = 503,490.46/x
  3. Step 3: Cross multiply
    859,555.94x = 1,287,562.02 × 503,490.46
  4. Step 4: Simplify right side
    859,555.94x = 648,275,193,728.33
  5. Step 5: Solve for x
    x = 648,275,193,728.33/859,555.94
  6. Step 6: Final answer
    x = 754,197.79

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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.