Home / 946,031.20-1,419,219.60-385,122.40

Finding the Fourth Proportional to 946,031.20, 1,419,219.60 and 385,122.40

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Solution

The fourth proportional to 946,031.20, 1,419,219.60 and 385,122.40 is: 577,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,031.20 : 1,419,219.60 = 385,122.40 : x
  2. Step 2: Convert to fraction form
    946,031.20/1,419,219.60 = 385,122.40/x
  3. Step 3: Cross multiply
    946,031.20x = 1,419,219.60 × 385,122.40
  4. Step 4: Simplify right side
    946,031.20x = 546,573,258,479.04
  5. Step 5: Solve for x
    x = 546,573,258,479.04/946,031.20
  6. Step 6: Final answer
    x = 577,753.95

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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.