Home / 833,249.18-1,249,938.58-272,340.38

Finding the Fourth Proportional to 833,249.18, 1,249,938.58 and 272,340.38

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Solution

The fourth proportional to 833,249.18, 1,249,938.58 and 272,340.38 is: 408,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,249.18 : 1,249,938.58 = 272,340.38 : x
  2. Step 2: Convert to fraction form
    833,249.18/1,249,938.58 = 272,340.38/x
  3. Step 3: Cross multiply
    833,249.18x = 1,249,938.58 × 272,340.38
  4. Step 4: Simplify right side
    833,249.18x = 340,408,747,853.86
  5. Step 5: Solve for x
    x = 340,408,747,853.86/833,249.18
  6. Step 6: Final answer
    x = 408,531.75

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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.