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Finding the Fourth Proportional to 533,360.69, 736,037.68 and 291,643.42

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Solution

The fourth proportional to 533,360.69, 736,037.68 and 291,643.42 is: 402,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,360.69 : 736,037.68 = 291,643.42 : x
  2. Step 2: Convert to fraction form
    533,360.69/736,037.68 = 291,643.42/x
  3. Step 3: Cross multiply
    533,360.69x = 736,037.68 × 291,643.42
  4. Step 4: Simplify right side
    533,360.69x = 214,660,546,244.07
  5. Step 5: Solve for x
    x = 214,660,546,244.07/533,360.69
  6. Step 6: Final answer
    x = 402,467.88

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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.