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Finding the Fourth Proportional to 527,188, 788,798 and 369,723.68

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Solution

The fourth proportional to 527,188, 788,798 and 369,723.68 is: 553,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,188 : 788,798 = 369,723.68 : x
  2. Step 2: Convert to fraction form
    527,188/788,798 = 369,723.68/x
  3. Step 3: Cross multiply
    527,188x = 788,798 × 369,723.68
  4. Step 4: Simplify right side
    527,188x = 291,637,299,336.64
  5. Step 5: Solve for x
    x = 291,637,299,336.64/527,188
  6. Step 6: Final answer
    x = 553,194.12

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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.