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Finding the Fourth Proportional to 579,875.52, 800,255.69 and 362,213.13

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Solution

The fourth proportional to 579,875.52, 800,255.69 and 362,213.13 is: 499,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,875.52 : 800,255.69 = 362,213.13 : x
  2. Step 2: Convert to fraction form
    579,875.52/800,255.69 = 362,213.13/x
  3. Step 3: Cross multiply
    579,875.52x = 800,255.69 × 362,213.13
  4. Step 4: Simplify right side
    579,875.52x = 289,863,116,464.14
  5. Step 5: Solve for x
    x = 289,863,116,464.14/579,875.52
  6. Step 6: Final answer
    x = 499,871.28

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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.