Home / 756,021.30-1,134,129.15-377,135.70

Finding the Fourth Proportional to 756,021.30, 1,134,129.15 and 377,135.70

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Solution

The fourth proportional to 756,021.30, 1,134,129.15 and 377,135.70 is: 565,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,021.30 : 1,134,129.15 = 377,135.70 : x
  2. Step 2: Convert to fraction form
    756,021.30/1,134,129.15 = 377,135.70/x
  3. Step 3: Cross multiply
    756,021.30x = 1,134,129.15 × 377,135.70
  4. Step 4: Simplify right side
    756,021.30x = 427,720,590,875.66
  5. Step 5: Solve for x
    x = 427,720,590,875.66/756,021.30
  6. Step 6: Final answer
    x = 565,752.04

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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.