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Finding the Fourth Proportional to 648,141.64, 894,301.93 and 372,446.24

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Solution

The fourth proportional to 648,141.64, 894,301.93 and 372,446.24 is: 513,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,141.64 : 894,301.93 = 372,446.24 : x
  2. Step 2: Convert to fraction form
    648,141.64/894,301.93 = 372,446.24/x
  3. Step 3: Cross multiply
    648,141.64x = 894,301.93 × 372,446.24
  4. Step 4: Simplify right side
    648,141.64x = 333,079,391,253.24
  5. Step 5: Solve for x
    x = 333,079,391,253.24/648,141.64
  6. Step 6: Final answer
    x = 513,899.08

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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.