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Finding the Fourth Proportional to 648,233.88, 894,612.33 and 357,901.43

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Solution

The fourth proportional to 648,233.88, 894,612.33 and 357,901.43 is: 493,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,233.88 : 894,612.33 = 357,901.43 : x
  2. Step 2: Convert to fraction form
    648,233.88/894,612.33 = 357,901.43/x
  3. Step 3: Cross multiply
    648,233.88x = 894,612.33 × 357,901.43
  4. Step 4: Simplify right side
    648,233.88x = 320,183,032,202.63
  5. Step 5: Solve for x
    x = 320,183,032,202.63/648,233.88
  6. Step 6: Final answer
    x = 493,931.34

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1.5x scale

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.