Home / 559,439.02-772,040.87-304,806.61

Finding the Fourth Proportional to 559,439.02, 772,040.87 and 304,806.61

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Solution

The fourth proportional to 559,439.02, 772,040.87 and 304,806.61 is: 420,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,439.02 : 772,040.87 = 304,806.61 : x
  2. Step 2: Convert to fraction form
    559,439.02/772,040.87 = 304,806.61/x
  3. Step 3: Cross multiply
    559,439.02x = 772,040.87 × 304,806.61
  4. Step 4: Simplify right side
    559,439.02x = 235,323,160,366.15
  5. Step 5: Solve for x
    x = 235,323,160,366.15/559,439.02
  6. Step 6: Final answer
    x = 420,641.31

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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.