Home / 946,751.68-1,420,140.08-315,665.70

Finding the Fourth Proportional to 946,751.68, 1,420,140.08 and 315,665.70

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Solution

The fourth proportional to 946,751.68, 1,420,140.08 and 315,665.70 is: 473,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,751.68 : 1,420,140.08 = 315,665.70 : x
  2. Step 2: Convert to fraction form
    946,751.68/1,420,140.08 = 315,665.70/x
  3. Step 3: Cross multiply
    946,751.68x = 1,420,140.08 × 315,665.70
  4. Step 4: Simplify right side
    946,751.68x = 448,289,512,451.26
  5. Step 5: Solve for x
    x = 448,289,512,451.26/946,751.68
  6. Step 6: Final answer
    x = 473,502.74

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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.