Home / 879,081.77-1,318,673.74-339,341.10

Finding the Fourth Proportional to 879,081.77, 1,318,673.74 and 339,341.10

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Solution

The fourth proportional to 879,081.77, 1,318,673.74 and 339,341.10 is: 509,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,081.77 : 1,318,673.74 = 339,341.10 : x
  2. Step 2: Convert to fraction form
    879,081.77/1,318,673.74 = 339,341.10/x
  3. Step 3: Cross multiply
    879,081.77x = 1,318,673.74 × 339,341.10
  4. Step 4: Simplify right side
    879,081.77x = 447,480,204,157.72
  5. Step 5: Solve for x
    x = 447,480,204,157.72/879,081.77
  6. Step 6: Final answer
    x = 509,031.38

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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.