Home / 692,881.56-1,039,351.44-338,193.90

Finding the Fourth Proportional to 692,881.56, 1,039,351.44 and 338,193.90

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Solution

The fourth proportional to 692,881.56, 1,039,351.44 and 338,193.90 is: 507,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,881.56 : 1,039,351.44 = 338,193.90 : x
  2. Step 2: Convert to fraction form
    692,881.56/1,039,351.44 = 338,193.90/x
  3. Step 3: Cross multiply
    692,881.56x = 1,039,351.44 × 338,193.90
  4. Step 4: Simplify right side
    692,881.56x = 351,502,316,964.22
  5. Step 5: Solve for x
    x = 351,502,316,964.22/692,881.56
  6. Step 6: Final answer
    x = 507,305.05

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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.