Home / 984,518.90-1,476,340.95-385,280.90

Finding the Fourth Proportional to 984,518.90, 1,476,340.95 and 385,280.90

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Solution

The fourth proportional to 984,518.90, 1,476,340.95 and 385,280.90 is: 577,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,518.90 : 1,476,340.95 = 385,280.90 : x
  2. Step 2: Convert to fraction form
    984,518.90/1,476,340.95 = 385,280.90/x
  3. Step 3: Cross multiply
    984,518.90x = 1,476,340.95 × 385,280.90
  4. Step 4: Simplify right side
    984,518.90x = 568,805,969,922.86
  5. Step 5: Solve for x
    x = 568,805,969,922.86/984,518.90
  6. Step 6: Final answer
    x = 577,750.18

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Double scale
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Similar ratio
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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.