Home / 487,834.32-673,189.38-270,051.12

Finding the Fourth Proportional to 487,834.32, 673,189.38 and 270,051.12

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Solution

The fourth proportional to 487,834.32, 673,189.38 and 270,051.12 is: 372,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,834.32 : 673,189.38 = 270,051.12 : x
  2. Step 2: Convert to fraction form
    487,834.32/673,189.38 = 270,051.12/x
  3. Step 3: Cross multiply
    487,834.32x = 673,189.38 × 270,051.12
  4. Step 4: Simplify right side
    487,834.32x = 181,795,546,041.11
  5. Step 5: Solve for x
    x = 181,795,546,041.11/487,834.32
  6. Step 6: Final answer
    x = 372,658.38

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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.