Home / 887,201.70-1,330,802.55-354,804.90

Finding the Fourth Proportional to 887,201.70, 1,330,802.55 and 354,804.90

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Solution

The fourth proportional to 887,201.70, 1,330,802.55 and 354,804.90 is: 532,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,201.70 : 1,330,802.55 = 354,804.90 : x
  2. Step 2: Convert to fraction form
    887,201.70/1,330,802.55 = 354,804.90/x
  3. Step 3: Cross multiply
    887,201.70x = 1,330,802.55 × 354,804.90
  4. Step 4: Simplify right side
    887,201.70x = 472,175,265,672.50
  5. Step 5: Solve for x
    x = 472,175,265,672.50/887,201.70
  6. Step 6: Final answer
    x = 532,207.35

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Similar ratio
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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.