Home / 972,412.33-1,341,996.38-542,776.45

Finding the Fourth Proportional to 972,412.33, 1,341,996.38 and 542,776.45

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Solution

The fourth proportional to 972,412.33, 1,341,996.38 and 542,776.45 is: 749,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,412.33 : 1,341,996.38 = 542,776.45 : x
  2. Step 2: Convert to fraction form
    972,412.33/1,341,996.38 = 542,776.45/x
  3. Step 3: Cross multiply
    972,412.33x = 1,341,996.38 × 542,776.45
  4. Step 4: Simplify right side
    972,412.33x = 728,404,031,049.25
  5. Step 5: Solve for x
    x = 728,404,031,049.25/972,412.33
  6. Step 6: Final answer
    x = 749,069.10

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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.