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Finding the Fourth Proportional to 612,037.55, 844,365.18 and 369,899.75

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Solution

The fourth proportional to 612,037.55, 844,365.18 and 369,899.75 is: 510,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,037.55 : 844,365.18 = 369,899.75 : x
  2. Step 2: Convert to fraction form
    612,037.55/844,365.18 = 369,899.75/x
  3. Step 3: Cross multiply
    612,037.55x = 844,365.18 × 369,899.75
  4. Step 4: Simplify right side
    612,037.55x = 312,330,468,990.71
  5. Step 5: Solve for x
    x = 312,330,468,990.71/612,037.55
  6. Step 6: Final answer
    x = 510,312.59

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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.