Home / 714,273.21-1,071,397.99-287,798.62

Finding the Fourth Proportional to 714,273.21, 1,071,397.99 and 287,798.62

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Solution

The fourth proportional to 714,273.21, 1,071,397.99 and 287,798.62 is: 431,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,273.21 : 1,071,397.99 = 287,798.62 : x
  2. Step 2: Convert to fraction form
    714,273.21/1,071,397.99 = 287,798.62/x
  3. Step 3: Cross multiply
    714,273.21x = 1,071,397.99 × 287,798.62
  4. Step 4: Simplify right side
    714,273.21x = 308,346,862,992.77
  5. Step 5: Solve for x
    x = 308,346,862,992.77/714,273.21
  6. Step 6: Final answer
    x = 431,693.17

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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.