Home / 715,967.38-1,074,248.48-289,804.47

Finding the Fourth Proportional to 715,967.38, 1,074,248.48 and 289,804.47

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Solution

The fourth proportional to 715,967.38, 1,074,248.48 and 289,804.47 is: 434,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,967.38 : 1,074,248.48 = 289,804.47 : x
  2. Step 2: Convert to fraction form
    715,967.38/1,074,248.48 = 289,804.47/x
  3. Step 3: Cross multiply
    715,967.38x = 1,074,248.48 × 289,804.47
  4. Step 4: Simplify right side
    715,967.38x = 311,322,008,090.79
  5. Step 5: Solve for x
    x = 311,322,008,090.79/715,967.38
  6. Step 6: Final answer
    x = 434,827.08

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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.