Home / 680,040.30-1,020,061.18-253,569.62

Finding the Fourth Proportional to 680,040.30, 1,020,061.18 and 253,569.62

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Solution

The fourth proportional to 680,040.30, 1,020,061.18 and 253,569.62 is: 380,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,040.30 : 1,020,061.18 = 253,569.62 : x
  2. Step 2: Convert to fraction form
    680,040.30/1,020,061.18 = 253,569.62/x
  3. Step 3: Cross multiply
    680,040.30x = 1,020,061.18 × 253,569.62
  4. Step 4: Simplify right side
    680,040.30x = 258,656,525,789.35
  5. Step 5: Solve for x
    x = 258,656,525,789.35/680,040.30
  6. Step 6: Final answer
    x = 380,354.70

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1.5x scale

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.