Home / 835,515.12-1,253,124.50-379,999.64

Finding the Fourth Proportional to 835,515.12, 1,253,124.50 and 379,999.64

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Solution

The fourth proportional to 835,515.12, 1,253,124.50 and 379,999.64 is: 569,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,515.12 : 1,253,124.50 = 379,999.64 : x
  2. Step 2: Convert to fraction form
    835,515.12/1,253,124.50 = 379,999.64/x
  3. Step 3: Cross multiply
    835,515.12x = 1,253,124.50 × 379,999.64
  4. Step 4: Simplify right side
    835,515.12x = 476,186,858,875.18
  5. Step 5: Solve for x
    x = 476,186,858,875.18/835,515.12
  6. Step 6: Final answer
    x = 569,932.07

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1.5x scale

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.