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Finding the Fourth Proportional to 594,863.90, 891,213.28 and 531,090.98

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Solution

The fourth proportional to 594,863.90, 891,213.28 and 531,090.98 is: 795,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,863.90 : 891,213.28 = 531,090.98 : x
  2. Step 2: Convert to fraction form
    594,863.90/891,213.28 = 531,090.98/x
  3. Step 3: Cross multiply
    594,863.90x = 891,213.28 × 531,090.98
  4. Step 4: Simplify right side
    594,863.90x = 473,315,334,264.21
  5. Step 5: Solve for x
    x = 473,315,334,264.21/594,863.90
  6. Step 6: Final answer
    x = 795,669.96

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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.