Home / 891,597.42-1,337,594.85-418,030.38

Finding the Fourth Proportional to 891,597.42, 1,337,594.85 and 418,030.38

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Solution

The fourth proportional to 891,597.42, 1,337,594.85 and 418,030.38 is: 627,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,597.42 : 1,337,594.85 = 418,030.38 : x
  2. Step 2: Convert to fraction form
    891,597.42/1,337,594.85 = 418,030.38/x
  3. Step 3: Cross multiply
    891,597.42x = 1,337,594.85 × 418,030.38
  4. Step 4: Simplify right side
    891,597.42x = 559,155,283,431.54
  5. Step 5: Solve for x
    x = 559,155,283,431.54/891,597.42
  6. Step 6: Final answer
    x = 627,138.74

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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.