Home / 946,730.21-1,420,107.86-315,644.22

Finding the Fourth Proportional to 946,730.21, 1,420,107.86 and 315,644.22

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Solution

The fourth proportional to 946,730.21, 1,420,107.86 and 315,644.22 is: 473,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,730.21 : 1,420,107.86 = 315,644.22 : x
  2. Step 2: Convert to fraction form
    946,730.21/1,420,107.86 = 315,644.22/x
  3. Step 3: Cross multiply
    946,730.21x = 1,420,107.86 × 315,644.22
  4. Step 4: Simplify right side
    946,730.21x = 448,248,836,207.35
  5. Step 5: Solve for x
    x = 448,248,836,207.35/946,730.21
  6. Step 6: Final answer
    x = 473,470.51

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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.