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Finding the Fourth Proportional to 629,429.86, 868,602.27 and 342,952.30

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Solution

The fourth proportional to 629,429.86, 868,602.27 and 342,952.30 is: 473,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,429.86 : 868,602.27 = 342,952.30 : x
  2. Step 2: Convert to fraction form
    629,429.86/868,602.27 = 342,952.30/x
  3. Step 3: Cross multiply
    629,429.86x = 868,602.27 × 342,952.30
  4. Step 4: Simplify right side
    629,429.86x = 297,889,146,281.72
  5. Step 5: Solve for x
    x = 297,889,146,281.72/629,429.86
  6. Step 6: Final answer
    x = 473,268.21

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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.