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Finding the Fourth Proportional to 655,563.48, 904,677.33 and 383,683.15

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Solution

The fourth proportional to 655,563.48, 904,677.33 and 383,683.15 is: 529,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,563.48 : 904,677.33 = 383,683.15 : x
  2. Step 2: Convert to fraction form
    655,563.48/904,677.33 = 383,683.15/x
  3. Step 3: Cross multiply
    655,563.48x = 904,677.33 × 383,683.15
  4. Step 4: Simplify right side
    655,563.48x = 347,109,447,707.99
  5. Step 5: Solve for x
    x = 347,109,447,707.99/655,563.48
  6. Step 6: Final answer
    x = 529,482.59

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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.