Home / 773,403.14-1,160,172.21-318,022.10

Finding the Fourth Proportional to 773,403.14, 1,160,172.21 and 318,022.10

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Solution

The fourth proportional to 773,403.14, 1,160,172.21 and 318,022.10 is: 477,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,403.14 : 1,160,172.21 = 318,022.10 : x
  2. Step 2: Convert to fraction form
    773,403.14/1,160,172.21 = 318,022.10/x
  3. Step 3: Cross multiply
    773,403.14x = 1,160,172.21 × 318,022.10
  4. Step 4: Simplify right side
    773,403.14x = 368,960,402,328.21
  5. Step 5: Solve for x
    x = 368,960,402,328.21/773,403.14
  6. Step 6: Final answer
    x = 477,060.91

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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.