Home / 915,745.20-1,374,027.40-416,852.40

Finding the Fourth Proportional to 915,745.20, 1,374,027.40 and 416,852.40

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Solution

The fourth proportional to 915,745.20, 1,374,027.40 and 416,852.40 is: 625,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,745.20 : 1,374,027.40 = 416,852.40 : x
  2. Step 2: Convert to fraction form
    915,745.20/1,374,027.40 = 416,852.40/x
  3. Step 3: Cross multiply
    915,745.20x = 1,374,027.40 × 416,852.40
  4. Step 4: Simplify right side
    915,745.20x = 572,766,619,355.76
  5. Step 5: Solve for x
    x = 572,766,619,355.76/915,745.20
  6. Step 6: Final answer
    x = 625,465.05

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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.