Home / 366,962.40-550,443.60-340,390.35

Finding the Fourth Proportional to 366,962.40, 550,443.60 and 340,390.35

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Solution

The fourth proportional to 366,962.40, 550,443.60 and 340,390.35 is: 510,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,962.40 : 550,443.60 = 340,390.35 : x
  2. Step 2: Convert to fraction form
    366,962.40/550,443.60 = 340,390.35/x
  3. Step 3: Cross multiply
    366,962.40x = 550,443.60 × 340,390.35
  4. Step 4: Simplify right side
    366,962.40x = 187,365,689,659.26
  5. Step 5: Solve for x
    x = 187,365,689,659.26/366,962.40
  6. Step 6: Final answer
    x = 510,585.53

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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.