Home / 946,923.43-1,420,398.12-315,837.85

Finding the Fourth Proportional to 946,923.43, 1,420,398.12 and 315,837.85

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Solution

The fourth proportional to 946,923.43, 1,420,398.12 and 315,837.85 is: 473,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,923.43 : 1,420,398.12 = 315,837.85 : x
  2. Step 2: Convert to fraction form
    946,923.43/1,420,398.12 = 315,837.85/x
  3. Step 3: Cross multiply
    946,923.43x = 1,420,398.12 × 315,837.85
  4. Step 4: Simplify right side
    946,923.43x = 448,615,488,364.84
  5. Step 5: Solve for x
    x = 448,615,488,364.84/946,923.43
  6. Step 6: Final answer
    x = 473,761.10

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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.