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Finding the Fourth Proportional to 575,363.03, 863,336.05 and 383,368.68

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Solution

The fourth proportional to 575,363.03, 863,336.05 and 383,368.68 is: 575,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,363.03 : 863,336.05 = 383,368.68 : x
  2. Step 2: Convert to fraction form
    575,363.03/863,336.05 = 383,368.68/x
  3. Step 3: Cross multiply
    575,363.03x = 863,336.05 × 383,368.68
  4. Step 4: Simplify right side
    575,363.03x = 330,976,000,926.49
  5. Step 5: Solve for x
    x = 330,976,000,926.49/575,363.03
  6. Step 6: Final answer
    x = 575,247.26

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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.