Home / 770,190.34-1,155,178.59-237,728.74

Finding the Fourth Proportional to 770,190.34, 1,155,178.59 and 237,728.74

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Solution

The fourth proportional to 770,190.34, 1,155,178.59 and 237,728.74 is: 356,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,190.34 : 1,155,178.59 = 237,728.74 : x
  2. Step 2: Convert to fraction form
    770,190.34/1,155,178.59 = 237,728.74/x
  3. Step 3: Cross multiply
    770,190.34x = 1,155,178.59 × 237,728.74
  4. Step 4: Simplify right side
    770,190.34x = 274,619,150,675.68
  5. Step 5: Solve for x
    x = 274,619,150,675.68/770,190.34
  6. Step 6: Final answer
    x = 356,560.11

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Double scale
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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.