Home / 714,455.24-1,071,412.92-287,846.46

Finding the Fourth Proportional to 714,455.24, 1,071,412.92 and 287,846.46

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Solution

The fourth proportional to 714,455.24, 1,071,412.92 and 287,846.46 is: 431,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,455.24 : 1,071,412.92 = 287,846.46 : x
  2. Step 2: Convert to fraction form
    714,455.24/1,071,412.92 = 287,846.46/x
  3. Step 3: Cross multiply
    714,455.24x = 1,071,412.92 × 287,846.46
  4. Step 4: Simplify right side
    714,455.24x = 308,402,416,220.26
  5. Step 5: Solve for x
    x = 308,402,416,220.26/714,455.24
  6. Step 6: Final answer
    x = 431,660.94

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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.