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Finding the Fourth Proportional to 510,862.07, 705,011.52 and 284,507.57

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Solution

The fourth proportional to 510,862.07, 705,011.52 and 284,507.57 is: 392,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,862.07 : 705,011.52 = 284,507.57 : x
  2. Step 2: Convert to fraction form
    510,862.07/705,011.52 = 284,507.57/x
  3. Step 3: Cross multiply
    510,862.07x = 705,011.52 × 284,507.57
  4. Step 4: Simplify right side
    510,862.07x = 200,581,110,852.15
  5. Step 5: Solve for x
    x = 200,581,110,852.15/510,862.07
  6. Step 6: Final answer
    x = 392,632.62

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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.