Home / 783,931.10-1,176,285.45-447,230.30

Finding the Fourth Proportional to 783,931.10, 1,176,285.45 and 447,230.30

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Solution

The fourth proportional to 783,931.10, 1,176,285.45 and 447,230.30 is: 671,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,931.10 : 1,176,285.45 = 447,230.30 : x
  2. Step 2: Convert to fraction form
    783,931.10/1,176,285.45 = 447,230.30/x
  3. Step 3: Cross multiply
    783,931.10x = 1,176,285.45 × 447,230.30
  4. Step 4: Simplify right side
    783,931.10x = 526,070,494,689.14
  5. Step 5: Solve for x
    x = 526,070,494,689.14/783,931.10
  6. Step 6: Final answer
    x = 671,067.26

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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.