Home / 972,431.78-1,342,030.07-536,933.10

Finding the Fourth Proportional to 972,431.78, 1,342,030.07 and 536,933.10

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Solution

The fourth proportional to 972,431.78, 1,342,030.07 and 536,933.10 is: 741,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,431.78 : 1,342,030.07 = 536,933.10 : x
  2. Step 2: Convert to fraction form
    972,431.78/1,342,030.07 = 536,933.10/x
  3. Step 3: Cross multiply
    972,431.78x = 1,342,030.07 × 536,933.10
  4. Step 4: Simplify right side
    972,431.78x = 720,580,372,153.26
  5. Step 5: Solve for x
    x = 720,580,372,153.26/972,431.78
  6. Step 6: Final answer
    x = 741,008.66

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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.