Home / 888,385.50-1,225,968.34-480,487.80

Finding the Fourth Proportional to 888,385.50, 1,225,968.34 and 480,487.80

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Solution

The fourth proportional to 888,385.50, 1,225,968.34 and 480,487.80 is: 663,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,385.50 : 1,225,968.34 = 480,487.80 : x
  2. Step 2: Convert to fraction form
    888,385.50/1,225,968.34 = 480,487.80/x
  3. Step 3: Cross multiply
    888,385.50x = 1,225,968.34 × 480,487.80
  4. Step 4: Simplify right side
    888,385.50x = 589,062,830,556.25
  5. Step 5: Solve for x
    x = 589,062,830,556.25/888,385.50
  6. Step 6: Final answer
    x = 663,071.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.