Home / 801,944.61-1,106,683.54-439,382.20

Finding the Fourth Proportional to 801,944.61, 1,106,683.54 and 439,382.20

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Solution

The fourth proportional to 801,944.61, 1,106,683.54 and 439,382.20 is: 606,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,944.61 : 1,106,683.54 = 439,382.20 : x
  2. Step 2: Convert to fraction form
    801,944.61/1,106,683.54 = 439,382.20/x
  3. Step 3: Cross multiply
    801,944.61x = 1,106,683.54 × 439,382.20
  4. Step 4: Simplify right side
    801,944.61x = 486,257,044,643.82
  5. Step 5: Solve for x
    x = 486,257,044,643.82/801,944.61
  6. Step 6: Final answer
    x = 606,347.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.