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Finding the Fourth Proportional to 800,487.75, 1,104,681.81 and 437,903.82

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Solution

The fourth proportional to 800,487.75, 1,104,681.81 and 437,903.82 is: 604,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,487.75 : 1,104,681.81 = 437,903.82 : x
  2. Step 2: Convert to fraction form
    800,487.75/1,104,681.81 = 437,903.82/x
  3. Step 3: Cross multiply
    800,487.75x = 1,104,681.81 × 437,903.82
  4. Step 4: Simplify right side
    800,487.75x = 483,744,386,125.65
  5. Step 5: Solve for x
    x = 483,744,386,125.65/800,487.75
  6. Step 6: Final answer
    x = 604,312.04

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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.