Home / 725,039.83-1,087,670.40-369,860.08

Finding the Fourth Proportional to 725,039.83, 1,087,670.40 and 369,860.08

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Solution

The fourth proportional to 725,039.83, 1,087,670.40 and 369,860.08 is: 554,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,039.83 : 1,087,670.40 = 369,860.08 : x
  2. Step 2: Convert to fraction form
    725,039.83/1,087,670.40 = 369,860.08/x
  3. Step 3: Cross multiply
    725,039.83x = 1,087,670.40 × 369,860.08
  4. Step 4: Simplify right side
    725,039.83x = 402,285,861,157.63
  5. Step 5: Solve for x
    x = 402,285,861,157.63/725,039.83
  6. Step 6: Final answer
    x = 554,846.57

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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.