Home / 783,934.20-1,175,609.70-310,521.60

Finding the Fourth Proportional to 783,934.20, 1,175,609.70 and 310,521.60

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Solution

The fourth proportional to 783,934.20, 1,175,609.70 and 310,521.60 is: 465,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,934.20 : 1,175,609.70 = 310,521.60 : x
  2. Step 2: Convert to fraction form
    783,934.20/1,175,609.70 = 310,521.60/x
  3. Step 3: Cross multiply
    783,934.20x = 1,175,609.70 × 310,521.60
  4. Step 4: Simplify right side
    783,934.20x = 365,052,205,019.52
  5. Step 5: Solve for x
    x = 365,052,205,019.52/783,934.20
  6. Step 6: Final answer
    x = 465,666.90

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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.