Home / 984,148.30-1,476,280.77-310,250.98

Finding the Fourth Proportional to 984,148.30, 1,476,280.77 and 310,250.98

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Solution

The fourth proportional to 984,148.30, 1,476,280.77 and 310,250.98 is: 465,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,148.30 : 1,476,280.77 = 310,250.98 : x
  2. Step 2: Convert to fraction form
    984,148.30/1,476,280.77 = 310,250.98/x
  3. Step 3: Cross multiply
    984,148.30x = 1,476,280.77 × 310,250.98
  4. Step 4: Simplify right side
    984,148.30x = 458,017,555,647.66
  5. Step 5: Solve for x
    x = 458,017,555,647.66/984,148.30
  6. Step 6: Final answer
    x = 465,394.86

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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.