Home / 626,450.20-937,601.70-485,445.40

Finding the Fourth Proportional to 626,450.20, 937,601.70 and 485,445.40

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Solution

The fourth proportional to 626,450.20, 937,601.70 and 485,445.40 is: 726,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,450.20 : 937,601.70 = 485,445.40 : x
  2. Step 2: Convert to fraction form
    626,450.20/937,601.70 = 485,445.40/x
  3. Step 3: Cross multiply
    626,450.20x = 937,601.70 × 485,445.40
  4. Step 4: Simplify right side
    626,450.20x = 455,154,432,297.18
  5. Step 5: Solve for x
    x = 455,154,432,297.18/626,450.20
  6. Step 6: Final answer
    x = 726,561.24

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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.