Home / 559,784.23-772,473.09-318,033.25

Finding the Fourth Proportional to 559,784.23, 772,473.09 and 318,033.25

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Solution

The fourth proportional to 559,784.23, 772,473.09 and 318,033.25 is: 438,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,784.23 : 772,473.09 = 318,033.25 : x
  2. Step 2: Convert to fraction form
    559,784.23/772,473.09 = 318,033.25/x
  3. Step 3: Cross multiply
    559,784.23x = 772,473.09 × 318,033.25
  4. Step 4: Simplify right side
    559,784.23x = 245,672,127,350.24
  5. Step 5: Solve for x
    x = 245,672,127,350.24/559,784.23
  6. Step 6: Final answer
    x = 438,869.33

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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.