Home / 758,386.40-1,137,582.72-189,765.95

Finding the Fourth Proportional to 758,386.40, 1,137,582.72 and 189,765.95

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Solution

The fourth proportional to 758,386.40, 1,137,582.72 and 189,765.95 is: 284,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,386.40 : 1,137,582.72 = 189,765.95 : x
  2. Step 2: Convert to fraction form
    758,386.40/1,137,582.72 = 189,765.95/x
  3. Step 3: Cross multiply
    758,386.40x = 1,137,582.72 × 189,765.95
  4. Step 4: Simplify right side
    758,386.40x = 215,874,468,408.34
  5. Step 5: Solve for x
    x = 215,874,468,408.34/758,386.40
  6. Step 6: Final answer
    x = 284,649.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.