Home / 557,206.11-768,937.73-302,559.12

Finding the Fourth Proportional to 557,206.11, 768,937.73 and 302,559.12

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Solution

The fourth proportional to 557,206.11, 768,937.73 and 302,559.12 is: 417,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,206.11 : 768,937.73 = 302,559.12 : x
  2. Step 2: Convert to fraction form
    557,206.11/768,937.73 = 302,559.12/x
  3. Step 3: Cross multiply
    557,206.11x = 768,937.73 × 302,559.12
  4. Step 4: Simplify right side
    557,206.11x = 232,649,121,410.80
  5. Step 5: Solve for x
    x = 232,649,121,410.80/557,206.11
  6. Step 6: Final answer
    x = 417,527.94

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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.