Home / 802,140.60-1,202,627.70-328,582.20

Finding the Fourth Proportional to 802,140.60, 1,202,627.70 and 328,582.20

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Solution

The fourth proportional to 802,140.60, 1,202,627.70 and 328,582.20 is: 492,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,140.60 : 1,202,627.70 = 328,582.20 : x
  2. Step 2: Convert to fraction form
    802,140.60/1,202,627.70 = 328,582.20/x
  3. Step 3: Cross multiply
    802,140.60x = 1,202,627.70 × 328,582.20
  4. Step 4: Simplify right side
    802,140.60x = 395,162,055,446.94
  5. Step 5: Solve for x
    x = 395,162,055,446.94/802,140.60
  6. Step 6: Final answer
    x = 492,634.40

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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.