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Finding the Fourth Proportional to 554,380.80, 830,154.24 and 304,788.48

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Solution

The fourth proportional to 554,380.80, 830,154.24 and 304,788.48 is: 456,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,380.80 : 830,154.24 = 304,788.48 : x
  2. Step 2: Convert to fraction form
    554,380.80/830,154.24 = 304,788.48/x
  3. Step 3: Cross multiply
    554,380.80x = 830,154.24 × 304,788.48
  4. Step 4: Simplify right side
    554,380.80x = 253,021,448,975.16
  5. Step 5: Solve for x
    x = 253,021,448,975.16/554,380.80
  6. Step 6: Final answer
    x = 456,403.70

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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.