Home / 559,438.02-772,039.49-304,805.61

Finding the Fourth Proportional to 559,438.02, 772,039.49 and 304,805.61

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Solution

The fourth proportional to 559,438.02, 772,039.49 and 304,805.61 is: 420,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,438.02 : 772,039.49 = 304,805.61 : x
  2. Step 2: Convert to fraction form
    559,438.02/772,039.49 = 304,805.61/x
  3. Step 3: Cross multiply
    559,438.02x = 772,039.49 × 304,805.61
  4. Step 4: Simplify right side
    559,438.02x = 235,321,966,169.51
  5. Step 5: Solve for x
    x = 235,321,966,169.51/559,438.02
  6. Step 6: Final answer
    x = 420,639.92

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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.