Home / 3,023,812.80-4,535,719.20-779,950.80

Finding the Fourth Proportional to 3,023,812.80, 4,535,719.20 and 779,950.80

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Solution

The fourth proportional to 3,023,812.80, 4,535,719.20 and 779,950.80 is: 1,169,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023,812.80 : 4,535,719.20 = 779,950.80 : x
  2. Step 2: Convert to fraction form
    3,023,812.80/4,535,719.20 = 779,950.80/x
  3. Step 3: Cross multiply
    3,023,812.80x = 4,535,719.20 × 779,950.80
  4. Step 4: Simplify right side
    3,023,812.80x = 3,537,637,818,615.36
  5. Step 5: Solve for x
    x = 3,537,637,818,615.36/3,023,812.80
  6. Step 6: Final answer
    x = 1,169,926.20

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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.