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Finding the Fourth Proportional to 583,071.52, 804,641.52 and 328,426.72

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Solution

The fourth proportional to 583,071.52, 804,641.52 and 328,426.72 is: 453,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,071.52 : 804,641.52 = 328,426.72 : x
  2. Step 2: Convert to fraction form
    583,071.52/804,641.52 = 328,426.72/x
  3. Step 3: Cross multiply
    583,071.52x = 804,641.52 × 328,426.72
  4. Step 4: Simplify right side
    583,071.52x = 264,265,775,189.41
  5. Step 5: Solve for x
    x = 264,265,775,189.41/583,071.52
  6. Step 6: Final answer
    x = 453,230.46

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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.