Home / 756,004.70-1,134,007.05-488,315.90

Finding the Fourth Proportional to 756,004.70, 1,134,007.05 and 488,315.90

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Solution

The fourth proportional to 756,004.70, 1,134,007.05 and 488,315.90 is: 732,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,004.70 : 1,134,007.05 = 488,315.90 : x
  2. Step 2: Convert to fraction form
    756,004.70/1,134,007.05 = 488,315.90/x
  3. Step 3: Cross multiply
    756,004.70x = 1,134,007.05 × 488,315.90
  4. Step 4: Simplify right side
    756,004.70x = 553,753,673,227.10
  5. Step 5: Solve for x
    x = 553,753,673,227.10/756,004.70
  6. Step 6: Final answer
    x = 732,473.85

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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.