Home / 773,988.42-1,160,535.62-300,120.18

Finding the Fourth Proportional to 773,988.42, 1,160,535.62 and 300,120.18

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Solution

The fourth proportional to 773,988.42, 1,160,535.62 and 300,120.18 is: 450,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,988.42 : 1,160,535.62 = 300,120.18 : x
  2. Step 2: Convert to fraction form
    773,988.42/1,160,535.62 = 300,120.18/x
  3. Step 3: Cross multiply
    773,988.42x = 1,160,535.62 × 300,120.18
  4. Step 4: Simplify right side
    773,988.42x = 348,300,159,170.81
  5. Step 5: Solve for x
    x = 348,300,159,170.81/773,988.42
  6. Step 6: Final answer
    x = 450,006.94

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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.