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Finding the Fourth Proportional to 630,307.80, 869,897.27 and 350,933.13

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Solution

The fourth proportional to 630,307.80, 869,897.27 and 350,933.13 is: 484,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,307.80 : 869,897.27 = 350,933.13 : x
  2. Step 2: Convert to fraction form
    630,307.80/869,897.27 = 350,933.13/x
  3. Step 3: Cross multiply
    630,307.80x = 869,897.27 × 350,933.13
  4. Step 4: Simplify right side
    630,307.80x = 305,275,772,616.89
  5. Step 5: Solve for x
    x = 305,275,772,616.89/630,307.80
  6. Step 6: Final answer
    x = 484,328.09

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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.