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Finding the Fourth Proportional to 565,291.16, 848,022.80 and 351,886.40

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Solution

The fourth proportional to 565,291.16, 848,022.80 and 351,886.40 is: 527,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,291.16 : 848,022.80 = 351,886.40 : x
  2. Step 2: Convert to fraction form
    565,291.16/848,022.80 = 351,886.40/x
  3. Step 3: Cross multiply
    565,291.16x = 848,022.80 × 351,886.40
  4. Step 4: Simplify right side
    565,291.16x = 298,407,690,209.92
  5. Step 5: Solve for x
    x = 298,407,690,209.92/565,291.16
  6. Step 6: Final answer
    x = 527,883.17

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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.