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Finding the Fourth Proportional to 487,550.82, 672,854.52 and 272,710.87

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Solution

The fourth proportional to 487,550.82, 672,854.52 and 272,710.87 is: 376,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,550.82 : 672,854.52 = 272,710.87 : x
  2. Step 2: Convert to fraction form
    487,550.82/672,854.52 = 272,710.87/x
  3. Step 3: Cross multiply
    487,550.82x = 672,854.52 × 272,710.87
  4. Step 4: Simplify right side
    487,550.82x = 183,494,741,532.63
  5. Step 5: Solve for x
    x = 183,494,741,532.63/487,550.82
  6. Step 6: Final answer
    x = 376,360.24

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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.