Home / 772,942.40-1,158,895.20-352,001.60

Finding the Fourth Proportional to 772,942.40, 1,158,895.20 and 352,001.60

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Solution

The fourth proportional to 772,942.40, 1,158,895.20 and 352,001.60 is: 527,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,942.40 : 1,158,895.20 = 352,001.60 : x
  2. Step 2: Convert to fraction form
    772,942.40/1,158,895.20 = 352,001.60/x
  3. Step 3: Cross multiply
    772,942.40x = 1,158,895.20 × 352,001.60
  4. Step 4: Simplify right side
    772,942.40x = 407,932,964,632.32
  5. Step 5: Solve for x
    x = 407,932,964,632.32/772,942.40
  6. Step 6: Final answer
    x = 527,766.32

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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.