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Finding the Fourth Proportional to 566,314.00, 781,529.01 and 308,193.32

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Solution

The fourth proportional to 566,314.00, 781,529.01 and 308,193.32 is: 425,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,314.00 : 781,529.01 = 308,193.32 : x
  2. Step 2: Convert to fraction form
    566,314.00/781,529.01 = 308,193.32/x
  3. Step 3: Cross multiply
    566,314.00x = 781,529.01 × 308,193.32
  4. Step 4: Simplify right side
    566,314.00x = 240,862,021,066.31
  5. Step 5: Solve for x
    x = 240,862,021,066.31/566,314.00
  6. Step 6: Final answer
    x = 425,315.32

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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.