Home / 487,530.32-672,826.23-272,690.37

Finding the Fourth Proportional to 487,530.32, 672,826.23 and 272,690.37

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Solution

The fourth proportional to 487,530.32, 672,826.23 and 272,690.37 is: 376,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,530.32 : 672,826.23 = 272,690.37 : x
  2. Step 2: Convert to fraction form
    487,530.32/672,826.23 = 272,690.37/x
  3. Step 3: Cross multiply
    487,530.32x = 672,826.23 × 272,690.37
  4. Step 4: Simplify right side
    487,530.32x = 183,473,233,604.41
  5. Step 5: Solve for x
    x = 183,473,233,604.41/487,530.32
  6. Step 6: Final answer
    x = 376,331.95

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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.