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Finding the Fourth Proportional to 495,064.52, 742,477.80 and 228,569

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Solution

The fourth proportional to 495,064.52, 742,477.80 and 228,569 is: 342,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,064.52 : 742,477.80 = 228,569 : x
  2. Step 2: Convert to fraction form
    495,064.52/742,477.80 = 228,569/x
  3. Step 3: Cross multiply
    495,064.52x = 742,477.80 × 228,569
  4. Step 4: Simplify right side
    495,064.52x = 169,707,408,268.20
  5. Step 5: Solve for x
    x = 169,707,408,268.20/495,064.52
  6. Step 6: Final answer
    x = 342,798.57

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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.