Home / 879,029.81-1,318,954.91-310,841.22

Finding the Fourth Proportional to 879,029.81, 1,318,954.91 and 310,841.22

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Solution

The fourth proportional to 879,029.81, 1,318,954.91 and 310,841.22 is: 466,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,029.81 : 1,318,954.91 = 310,841.22 : x
  2. Step 2: Convert to fraction form
    879,029.81/1,318,954.91 = 310,841.22/x
  3. Step 3: Cross multiply
    879,029.81x = 1,318,954.91 × 310,841.22
  4. Step 4: Simplify right side
    879,029.81x = 409,985,551,795.18
  5. Step 5: Solve for x
    x = 409,985,551,795.18/879,029.81
  6. Step 6: Final answer
    x = 466,406.88

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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.