Home / 765,541.55-1,148,312.33-366,960.80

Finding the Fourth Proportional to 765,541.55, 1,148,312.33 and 366,960.80

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Solution

The fourth proportional to 765,541.55, 1,148,312.33 and 366,960.80 is: 550,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,541.55 : 1,148,312.33 = 366,960.80 : x
  2. Step 2: Convert to fraction form
    765,541.55/1,148,312.33 = 366,960.80/x
  3. Step 3: Cross multiply
    765,541.55x = 1,148,312.33 × 366,960.80
  4. Step 4: Simplify right side
    765,541.55x = 421,385,611,266.66
  5. Step 5: Solve for x
    x = 421,385,611,266.66/765,541.55
  6. Step 6: Final answer
    x = 550,441.20

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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.