Home / 672,319.85-927,801.38-370,513.85

Finding the Fourth Proportional to 672,319.85, 927,801.38 and 370,513.85

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Solution

The fourth proportional to 672,319.85, 927,801.38 and 370,513.85 is: 511,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,319.85 : 927,801.38 = 370,513.85 : x
  2. Step 2: Convert to fraction form
    672,319.85/927,801.38 = 370,513.85/x
  3. Step 3: Cross multiply
    672,319.85x = 927,801.38 × 370,513.85
  4. Step 4: Simplify right side
    672,319.85x = 343,763,257,626.39
  5. Step 5: Solve for x
    x = 343,763,257,626.39/672,319.85
  6. Step 6: Final answer
    x = 511,309.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.