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Finding the Fourth Proportional to 649,122.32, 973,683.84 and 424,671.32

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Solution

The fourth proportional to 649,122.32, 973,683.84 and 424,671.32 is: 637,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,122.32 : 973,683.84 = 424,671.32 : x
  2. Step 2: Convert to fraction form
    649,122.32/973,683.84 = 424,671.32/x
  3. Step 3: Cross multiply
    649,122.32x = 973,683.84 × 424,671.32
  4. Step 4: Simplify right side
    649,122.32x = 413,495,601,595.47
  5. Step 5: Solve for x
    x = 413,495,601,595.47/649,122.32
  6. Step 6: Final answer
    x = 637,007.22

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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.