Home / 557,449.23-769,263.66-302,799.81

Finding the Fourth Proportional to 557,449.23, 769,263.66 and 302,799.81

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Solution

The fourth proportional to 557,449.23, 769,263.66 and 302,799.81 is: 417,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,449.23 : 769,263.66 = 302,799.81 : x
  2. Step 2: Convert to fraction form
    557,449.23/769,263.66 = 302,799.81/x
  3. Step 3: Cross multiply
    557,449.23x = 769,263.66 × 302,799.81
  4. Step 4: Simplify right side
    557,449.23x = 232,932,890,087.91
  5. Step 5: Solve for x
    x = 232,932,890,087.91/557,449.23
  6. Step 6: Final answer
    x = 417,854.90

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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.