Home / 489,285.30-733,964.40-173,701.20

Finding the Fourth Proportional to 489,285.30, 733,964.40 and 173,701.20

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Solution

The fourth proportional to 489,285.30, 733,964.40 and 173,701.20 is: 260,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,285.30 : 733,964.40 = 173,701.20 : x
  2. Step 2: Convert to fraction form
    489,285.30/733,964.40 = 173,701.20/x
  3. Step 3: Cross multiply
    489,285.30x = 733,964.40 × 173,701.20
  4. Step 4: Simplify right side
    489,285.30x = 127,490,497,037.28
  5. Step 5: Solve for x
    x = 127,490,497,037.28/489,285.30
  6. Step 6: Final answer
    x = 260,564.74

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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.