Home / 1,330,242.31-1,994,943.03-477,294.89

Finding the Fourth Proportional to 1,330,242.31, 1,994,943.03 and 477,294.89

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Solution

The fourth proportional to 1,330,242.31, 1,994,943.03 and 477,294.89 is: 715,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,242.31 : 1,994,943.03 = 477,294.89 : x
  2. Step 2: Convert to fraction form
    1,330,242.31/1,994,943.03 = 477,294.89/x
  3. Step 3: Cross multiply
    1,330,242.31x = 1,994,943.03 × 477,294.89
  4. Step 4: Simplify right side
    1,330,242.31x = 952,176,119,047.47
  5. Step 5: Solve for x
    x = 952,176,119,047.47/1,330,242.31
  6. Step 6: Final answer
    x = 715,791.49

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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.