Home / 835,311.39-1,252,686.29-302,720.91

Finding the Fourth Proportional to 835,311.39, 1,252,686.29 and 302,720.91

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Solution

The fourth proportional to 835,311.39, 1,252,686.29 and 302,720.91 is: 453,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,311.39 : 1,252,686.29 = 302,720.91 : x
  2. Step 2: Convert to fraction form
    835,311.39/1,252,686.29 = 302,720.91/x
  3. Step 3: Cross multiply
    835,311.39x = 1,252,686.29 × 302,720.91
  4. Step 4: Simplify right side
    835,311.39x = 379,214,332,139.72
  5. Step 5: Solve for x
    x = 379,214,332,139.72/835,311.39
  6. Step 6: Final answer
    x = 453,979.60

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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.