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Finding the Fourth Proportional to 612,037.80, 844,365.53 and 369,900

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Solution

The fourth proportional to 612,037.80, 844,365.53 and 369,900 is: 510,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,037.80 : 844,365.53 = 369,900 : x
  2. Step 2: Convert to fraction form
    612,037.80/844,365.53 = 369,900/x
  3. Step 3: Cross multiply
    612,037.80x = 844,365.53 × 369,900
  4. Step 4: Simplify right side
    612,037.80x = 312,330,807,697.50
  5. Step 5: Solve for x
    x = 312,330,807,697.50/612,037.80
  6. Step 6: Final answer
    x = 510,312.94

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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.