Home / 772,950.80-1,159,368.60-323,555.60

Finding the Fourth Proportional to 772,950.80, 1,159,368.60 and 323,555.60

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Solution

The fourth proportional to 772,950.80, 1,159,368.60 and 323,555.60 is: 485,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,950.80 : 1,159,368.60 = 323,555.60 : x
  2. Step 2: Convert to fraction form
    772,950.80/1,159,368.60 = 323,555.60/x
  3. Step 3: Cross multiply
    772,950.80x = 1,159,368.60 × 323,555.60
  4. Step 4: Simplify right side
    772,950.80x = 375,120,202,994.16
  5. Step 5: Solve for x
    x = 375,120,202,994.16/772,950.80
  6. Step 6: Final answer
    x = 485,309.29

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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.