Home / 963,162.48-1,445,334.24-431,133.36

Finding the Fourth Proportional to 963,162.48, 1,445,334.24 and 431,133.36

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Solution

The fourth proportional to 963,162.48, 1,445,334.24 and 431,133.36 is: 646,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,162.48 : 1,445,334.24 = 431,133.36 : x
  2. Step 2: Convert to fraction form
    963,162.48/1,445,334.24 = 431,133.36/x
  3. Step 3: Cross multiply
    963,162.48x = 1,445,334.24 × 431,133.36
  4. Step 4: Simplify right side
    963,162.48x = 623,131,807,214.25
  5. Step 5: Solve for x
    x = 623,131,807,214.25/963,162.48
  6. Step 6: Final answer
    x = 646,964.37

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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.