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Finding the Fourth Proportional to 899,369, 1,241,255.81 and 572,577.63

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Solution

The fourth proportional to 899,369, 1,241,255.81 and 572,577.63 is: 790,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,369 : 1,241,255.81 = 572,577.63 : x
  2. Step 2: Convert to fraction form
    899,369/1,241,255.81 = 572,577.63/x
  3. Step 3: Cross multiply
    899,369x = 1,241,255.81 × 572,577.63
  4. Step 4: Simplify right side
    899,369x = 710,715,309,913.53
  5. Step 5: Solve for x
    x = 710,715,309,913.53/899,369
  6. Step 6: Final answer
    x = 790,237.72

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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.