Home / 821,985.59-1,232,860.83-282,231.77

Finding the Fourth Proportional to 821,985.59, 1,232,860.83 and 282,231.77

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Solution

The fourth proportional to 821,985.59, 1,232,860.83 and 282,231.77 is: 423,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,985.59 : 1,232,860.83 = 282,231.77 : x
  2. Step 2: Convert to fraction form
    821,985.59/1,232,860.83 = 282,231.77/x
  3. Step 3: Cross multiply
    821,985.59x = 1,232,860.83 × 282,231.77
  4. Step 4: Simplify right side
    821,985.59x = 347,952,488,050.27
  5. Step 5: Solve for x
    x = 347,952,488,050.27/821,985.59
  6. Step 6: Final answer
    x = 423,307.29

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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.