Home / 835,382.61-1,252,873.21-385,671.42

Finding the Fourth Proportional to 835,382.61, 1,252,873.21 and 385,671.42

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Solution

The fourth proportional to 835,382.61, 1,252,873.21 and 385,671.42 is: 578,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,382.61 : 1,252,873.21 = 385,671.42 : x
  2. Step 2: Convert to fraction form
    835,382.61/1,252,873.21 = 385,671.42/x
  3. Step 3: Cross multiply
    835,382.61x = 1,252,873.21 × 385,671.42
  4. Step 4: Simplify right side
    835,382.61x = 483,197,389,980.66
  5. Step 5: Solve for x
    x = 483,197,389,980.66/835,382.61
  6. Step 6: Final answer
    x = 578,414.47

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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.