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Finding the Fourth Proportional to 583,109.61, 804,695.27 and 325,003.19

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Solution

The fourth proportional to 583,109.61, 804,695.27 and 325,003.19 is: 448,506.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,109.61 : 804,695.27 = 325,003.19 : x
  2. Step 2: Convert to fraction form
    583,109.61/804,695.27 = 325,003.19/x
  3. Step 3: Cross multiply
    583,109.61x = 804,695.27 × 325,003.19
  4. Step 4: Simplify right side
    583,109.61x = 261,528,529,727.91
  5. Step 5: Solve for x
    x = 261,528,529,727.91/583,109.61
  6. Step 6: Final answer
    x = 448,506.64

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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.