Home / 675,459.66-1,013,312.28-320,470.37

Finding the Fourth Proportional to 675,459.66, 1,013,312.28 and 320,470.37

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Solution

The fourth proportional to 675,459.66, 1,013,312.28 and 320,470.37 is: 480,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,459.66 : 1,013,312.28 = 320,470.37 : x
  2. Step 2: Convert to fraction form
    675,459.66/1,013,312.28 = 320,470.37/x
  3. Step 3: Cross multiply
    675,459.66x = 1,013,312.28 × 320,470.37
  4. Step 4: Simplify right side
    675,459.66x = 324,736,565,129.50
  5. Step 5: Solve for x
    x = 324,736,565,129.50/675,459.66
  6. Step 6: Final answer
    x = 480,763.82

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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.