Home / 946,718.35-1,420,090.09-315,632.36

Finding the Fourth Proportional to 946,718.35, 1,420,090.09 and 315,632.36

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Solution

The fourth proportional to 946,718.35, 1,420,090.09 and 315,632.36 is: 473,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,718.35 : 1,420,090.09 = 315,632.36 : x
  2. Step 2: Convert to fraction form
    946,718.35/1,420,090.09 = 315,632.36/x
  3. Step 3: Cross multiply
    946,718.35x = 1,420,090.09 × 315,632.36
  4. Step 4: Simplify right side
    946,718.35x = 448,226,389,280.46
  5. Step 5: Solve for x
    x = 448,226,389,280.46/946,718.35
  6. Step 6: Final answer
    x = 473,452.73

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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.