Home / 947,834.10-1,421,751.16-316,747.91

Finding the Fourth Proportional to 947,834.10, 1,421,751.16 and 316,747.91

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Solution

The fourth proportional to 947,834.10, 1,421,751.16 and 316,747.91 is: 475,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,834.10 : 1,421,751.16 = 316,747.91 : x
  2. Step 2: Convert to fraction form
    947,834.10/1,421,751.16 = 316,747.91/x
  3. Step 3: Cross multiply
    947,834.10x = 1,421,751.16 × 316,747.91
  4. Step 4: Simplify right side
    947,834.10x = 450,336,708,470.08
  5. Step 5: Solve for x
    x = 450,336,708,470.08/947,834.10
  6. Step 6: Final answer
    x = 475,121.87

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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.