Home / 756,961.36-1,134,156.56-456,811.20

Finding the Fourth Proportional to 756,961.36, 1,134,156.56 and 456,811.20

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Solution

The fourth proportional to 756,961.36, 1,134,156.56 and 456,811.20 is: 684,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,961.36 : 1,134,156.56 = 456,811.20 : x
  2. Step 2: Convert to fraction form
    756,961.36/1,134,156.56 = 456,811.20/x
  3. Step 3: Cross multiply
    756,961.36x = 1,134,156.56 × 456,811.20
  4. Step 4: Simplify right side
    756,961.36x = 518,095,419,161.47
  5. Step 5: Solve for x
    x = 518,095,419,161.47/756,961.36
  6. Step 6: Final answer
    x = 684,441.04

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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.