Home / 988,030.91-1,363,464.92-558,301.82

Finding the Fourth Proportional to 988,030.91, 1,363,464.92 and 558,301.82

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Solution

The fourth proportional to 988,030.91, 1,363,464.92 and 558,301.82 is: 770,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,030.91 : 1,363,464.92 = 558,301.82 : x
  2. Step 2: Convert to fraction form
    988,030.91/1,363,464.92 = 558,301.82/x
  3. Step 3: Cross multiply
    988,030.91x = 1,363,464.92 × 558,301.82
  4. Step 4: Simplify right side
    988,030.91x = 761,224,940,920.58
  5. Step 5: Solve for x
    x = 761,224,940,920.58/988,030.91
  6. Step 6: Final answer
    x = 770,446.48

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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.