Home / 946,134.66-1,419,427.95-315,053.94

Finding the Fourth Proportional to 946,134.66, 1,419,427.95 and 315,053.94

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Solution

The fourth proportional to 946,134.66, 1,419,427.95 and 315,053.94 is: 472,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,134.66 : 1,419,427.95 = 315,053.94 : x
  2. Step 2: Convert to fraction form
    946,134.66/1,419,427.95 = 315,053.94/x
  3. Step 3: Cross multiply
    946,134.66x = 1,419,427.95 × 315,053.94
  4. Step 4: Simplify right side
    946,134.66x = 447,196,368,193.62
  5. Step 5: Solve for x
    x = 447,196,368,193.62/946,134.66
  6. Step 6: Final answer
    x = 472,656.15

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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.