Home / 904,118.80-1,354,209.90-548,512.60

Finding the Fourth Proportional to 904,118.80, 1,354,209.90 and 548,512.60

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Solution

The fourth proportional to 904,118.80, 1,354,209.90 and 548,512.60 is: 821,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,118.80 : 1,354,209.90 = 548,512.60 : x
  2. Step 2: Convert to fraction form
    904,118.80/1,354,209.90 = 548,512.60/x
  3. Step 3: Cross multiply
    904,118.80x = 1,354,209.90 × 548,512.60
  4. Step 4: Simplify right side
    904,118.80x = 742,801,193,194.74
  5. Step 5: Solve for x
    x = 742,801,193,194.74/904,118.80
  6. Step 6: Final answer
    x = 821,574.77

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1.5x scale

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.