Home / 710,387.71-1,064,837.30-330,995.61

Finding the Fourth Proportional to 710,387.71, 1,064,837.30 and 330,995.61

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Solution

The fourth proportional to 710,387.71, 1,064,837.30 and 330,995.61 is: 496,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,387.71 : 1,064,837.30 = 330,995.61 : x
  2. Step 2: Convert to fraction form
    710,387.71/1,064,837.30 = 330,995.61/x
  3. Step 3: Cross multiply
    710,387.71x = 1,064,837.30 × 330,995.61
  4. Step 4: Simplify right side
    710,387.71x = 352,456,472,491.74
  5. Step 5: Solve for x
    x = 352,456,472,491.74/710,387.71
  6. Step 6: Final answer
    x = 496,146.64

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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.