Home / 887,052.70-1,330,287.45-326,014.30

Finding the Fourth Proportional to 887,052.70, 1,330,287.45 and 326,014.30

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Solution

The fourth proportional to 887,052.70, 1,330,287.45 and 326,014.30 is: 488,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,052.70 : 1,330,287.45 = 326,014.30 : x
  2. Step 2: Convert to fraction form
    887,052.70/1,330,287.45 = 326,014.30/x
  3. Step 3: Cross multiply
    887,052.70x = 1,330,287.45 × 326,014.30
  4. Step 4: Simplify right side
    887,052.70x = 433,692,731,810.54
  5. Step 5: Solve for x
    x = 433,692,731,810.54/887,052.70
  6. Step 6: Final answer
    x = 488,914.28

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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.