Home / 984,516.40-1,476,337.20-385,278.40

Finding the Fourth Proportional to 984,516.40, 1,476,337.20 and 385,278.40

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Solution

The fourth proportional to 984,516.40, 1,476,337.20 and 385,278.40 is: 577,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,516.40 : 1,476,337.20 = 385,278.40 : x
  2. Step 2: Convert to fraction form
    984,516.40/1,476,337.20 = 385,278.40/x
  3. Step 3: Cross multiply
    984,516.40x = 1,476,337.20 × 385,278.40
  4. Step 4: Simplify right side
    984,516.40x = 568,800,834,276.48
  5. Step 5: Solve for x
    x = 568,800,834,276.48/984,516.40
  6. Step 6: Final answer
    x = 577,746.43

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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.