Home / 893,430.20-1,340,145.61-324,705.71

Finding the Fourth Proportional to 893,430.20, 1,340,145.61 and 324,705.71

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Solution

The fourth proportional to 893,430.20, 1,340,145.61 and 324,705.71 is: 487,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,430.20 : 1,340,145.61 = 324,705.71 : x
  2. Step 2: Convert to fraction form
    893,430.20/1,340,145.61 = 324,705.71/x
  3. Step 3: Cross multiply
    893,430.20x = 1,340,145.61 × 324,705.71
  4. Step 4: Simplify right side
    893,430.20x = 435,152,934,337.03
  5. Step 5: Solve for x
    x = 435,152,934,337.03/893,430.20
  6. Step 6: Final answer
    x = 487,058.68

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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.