Home / 821,572.76-1,232,424.14-289,213.22

Finding the Fourth Proportional to 821,572.76, 1,232,424.14 and 289,213.22

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Solution

The fourth proportional to 821,572.76, 1,232,424.14 and 289,213.22 is: 433,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,572.76 : 1,232,424.14 = 289,213.22 : x
  2. Step 2: Convert to fraction form
    821,572.76/1,232,424.14 = 289,213.22/x
  3. Step 3: Cross multiply
    821,572.76x = 1,232,424.14 × 289,213.22
  4. Step 4: Simplify right side
    821,572.76x = 356,433,346,326.94
  5. Step 5: Solve for x
    x = 356,433,346,326.94/821,572.76
  6. Step 6: Final answer
    x = 433,842.70

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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.