Home / 874,298.40-1,206,561.96-511,756.08

Finding the Fourth Proportional to 874,298.40, 1,206,561.96 and 511,756.08

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Solution

The fourth proportional to 874,298.40, 1,206,561.96 and 511,756.08 is: 706,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,298.40 : 1,206,561.96 = 511,756.08 : x
  2. Step 2: Convert to fraction form
    874,298.40/1,206,561.96 = 511,756.08/x
  3. Step 3: Cross multiply
    874,298.40x = 1,206,561.96 × 511,756.08
  4. Step 4: Simplify right side
    874,298.40x = 617,465,418,926.72
  5. Step 5: Solve for x
    x = 617,465,418,926.72/874,298.40
  6. Step 6: Final answer
    x = 706,241.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.