Home / 946,139.64-1,419,435.32-315,058.92

Finding the Fourth Proportional to 946,139.64, 1,419,435.32 and 315,058.92

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Solution

The fourth proportional to 946,139.64, 1,419,435.32 and 315,058.92 is: 472,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,139.64 : 1,419,435.32 = 315,058.92 : x
  2. Step 2: Convert to fraction form
    946,139.64/1,419,435.32 = 315,058.92/x
  3. Step 3: Cross multiply
    946,139.64x = 1,419,435.32 × 315,058.92
  4. Step 4: Simplify right side
    946,139.64x = 447,205,758,929.05
  5. Step 5: Solve for x
    x = 447,205,758,929.05/946,139.64
  6. Step 6: Final answer
    x = 472,663.59

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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.