Home / 946,727.20-1,420,103.35-315,641.22

Finding the Fourth Proportional to 946,727.20, 1,420,103.35 and 315,641.22

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Solution

The fourth proportional to 946,727.20, 1,420,103.35 and 315,641.22 is: 473,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,727.20 : 1,420,103.35 = 315,641.22 : x
  2. Step 2: Convert to fraction form
    946,727.20/1,420,103.35 = 315,641.22/x
  3. Step 3: Cross multiply
    946,727.20x = 1,420,103.35 × 315,641.22
  4. Step 4: Simplify right side
    946,727.20x = 448,243,148,989.25
  5. Step 5: Solve for x
    x = 448,243,148,989.25/946,727.20
  6. Step 6: Final answer
    x = 473,466.01

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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.