Home / 893,686.90-1,340,109.15-324,666.70

Finding the Fourth Proportional to 893,686.90, 1,340,109.15 and 324,666.70

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Solution

The fourth proportional to 893,686.90, 1,340,109.15 and 324,666.70 is: 486,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,686.90 : 1,340,109.15 = 324,666.70 : x
  2. Step 2: Convert to fraction form
    893,686.90/1,340,109.15 = 324,666.70/x
  3. Step 3: Cross multiply
    893,686.90x = 1,340,109.15 × 324,666.70
  4. Step 4: Simplify right side
    893,686.90x = 435,088,815,370.31
  5. Step 5: Solve for x
    x = 435,088,815,370.31/893,686.90
  6. Step 6: Final answer
    x = 486,847.03

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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.