Home / 770,244.80-1,155,367.20-237,718.40

Finding the Fourth Proportional to 770,244.80, 1,155,367.20 and 237,718.40

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Solution

The fourth proportional to 770,244.80, 1,155,367.20 and 237,718.40 is: 356,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,244.80 : 1,155,367.20 = 237,718.40 : x
  2. Step 2: Convert to fraction form
    770,244.80/1,155,367.20 = 237,718.40/x
  3. Step 3: Cross multiply
    770,244.80x = 1,155,367.20 × 237,718.40
  4. Step 4: Simplify right side
    770,244.80x = 274,652,042,196.48
  5. Step 5: Solve for x
    x = 274,652,042,196.48/770,244.80
  6. Step 6: Final answer
    x = 356,577.60

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Double scale
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Similar ratio
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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.