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Finding the Fourth Proportional to 563,351.68, 777,444.24 and 308,700.64

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Solution

The fourth proportional to 563,351.68, 777,444.24 and 308,700.64 is: 426,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,351.68 : 777,444.24 = 308,700.64 : x
  2. Step 2: Convert to fraction form
    563,351.68/777,444.24 = 308,700.64/x
  3. Step 3: Cross multiply
    563,351.68x = 777,444.24 × 308,700.64
  4. Step 4: Simplify right side
    563,351.68x = 239,997,534,452.31
  5. Step 5: Solve for x
    x = 239,997,534,452.31/563,351.68
  6. Step 6: Final answer
    x = 426,017.25

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1.5x scale

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.