Home / 733,777.80-1,100,666.70-260,401.65

Finding the Fourth Proportional to 733,777.80, 1,100,666.70 and 260,401.65

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Solution

The fourth proportional to 733,777.80, 1,100,666.70 and 260,401.65 is: 390,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,777.80 : 1,100,666.70 = 260,401.65 : x
  2. Step 2: Convert to fraction form
    733,777.80/1,100,666.70 = 260,401.65/x
  3. Step 3: Cross multiply
    733,777.80x = 1,100,666.70 × 260,401.65
  4. Step 4: Simplify right side
    733,777.80x = 286,615,424,780.06
  5. Step 5: Solve for x
    x = 286,615,424,780.06/733,777.80
  6. Step 6: Final answer
    x = 390,602.48

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Double scale
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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.