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Finding the Fourth Proportional to 590,931.27, 886,673.72 and 291,248.49

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Solution

The fourth proportional to 590,931.27, 886,673.72 and 291,248.49 is: 437,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,931.27 : 886,673.72 = 291,248.49 : x
  2. Step 2: Convert to fraction form
    590,931.27/886,673.72 = 291,248.49/x
  3. Step 3: Cross multiply
    590,931.27x = 886,673.72 × 291,248.49
  4. Step 4: Simplify right side
    590,931.27x = 258,242,380,616.44
  5. Step 5: Solve for x
    x = 258,242,380,616.44/590,931.27
  6. Step 6: Final answer
    x = 437,009.16

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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.