Home / 946,136.16-1,419,430.20-315,055.44

Finding the Fourth Proportional to 946,136.16, 1,419,430.20 and 315,055.44

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Solution

The fourth proportional to 946,136.16, 1,419,430.20 and 315,055.44 is: 472,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,136.16 : 1,419,430.20 = 315,055.44 : x
  2. Step 2: Convert to fraction form
    946,136.16/1,419,430.20 = 315,055.44/x
  3. Step 3: Cross multiply
    946,136.16x = 1,419,430.20 × 315,055.44
  4. Step 4: Simplify right side
    946,136.16x = 447,199,206,210.29
  5. Step 5: Solve for x
    x = 447,199,206,210.29/946,136.16
  6. Step 6: Final answer
    x = 472,658.40

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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.