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Finding the Fourth Proportional to 523,903.60, 785,295.89 and 298,779.28

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Solution

The fourth proportional to 523,903.60, 785,295.89 and 298,779.28 is: 447,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,903.60 : 785,295.89 = 298,779.28 : x
  2. Step 2: Convert to fraction form
    523,903.60/785,295.89 = 298,779.28/x
  3. Step 3: Cross multiply
    523,903.60x = 785,295.89 × 298,779.28
  4. Step 4: Simplify right side
    523,903.60x = 234,630,141,841.42
  5. Step 5: Solve for x
    x = 234,630,141,841.42/523,903.60
  6. Step 6: Final answer
    x = 447,849.84

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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.