Home / 557,382.18-769,191.46-302,733.42

Finding the Fourth Proportional to 557,382.18, 769,191.46 and 302,733.42

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Solution

The fourth proportional to 557,382.18, 769,191.46 and 302,733.42 is: 417,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,382.18 : 769,191.46 = 302,733.42 : x
  2. Step 2: Convert to fraction form
    557,382.18/769,191.46 = 302,733.42/x
  3. Step 3: Cross multiply
    557,382.18x = 769,191.46 × 302,733.42
  4. Step 4: Simplify right side
    557,382.18x = 232,859,961,320.59
  5. Step 5: Solve for x
    x = 232,859,961,320.59/557,382.18
  6. Step 6: Final answer
    x = 417,774.32

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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.