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Finding the Fourth Proportional to 706,007.03, 974,289.87 and 383,717.21

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Solution

The fourth proportional to 706,007.03, 974,289.87 and 383,717.21 is: 529,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,007.03 : 974,289.87 = 383,717.21 : x
  2. Step 2: Convert to fraction form
    706,007.03/974,289.87 = 383,717.21/x
  3. Step 3: Cross multiply
    706,007.03x = 974,289.87 × 383,717.21
  4. Step 4: Simplify right side
    706,007.03x = 373,851,785,776.21
  5. Step 5: Solve for x
    x = 373,851,785,776.21/706,007.03
  6. Step 6: Final answer
    x = 529,529.84

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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.