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Finding the Fourth Proportional to 436,884.84, 602,590.51 and 291,617.38

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Solution

The fourth proportional to 436,884.84, 602,590.51 and 291,617.38 is: 402,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,884.84 : 602,590.51 = 291,617.38 : x
  2. Step 2: Convert to fraction form
    436,884.84/602,590.51 = 291,617.38/x
  3. Step 3: Cross multiply
    436,884.84x = 602,590.51 × 291,617.38
  4. Step 4: Simplify right side
    436,884.84x = 175,725,866,856.82
  5. Step 5: Solve for x
    x = 175,725,866,856.82/436,884.84
  6. Step 6: Final answer
    x = 402,224.68

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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.