Home / 805,505.48-1,111,559.51-442,944.62

Finding the Fourth Proportional to 805,505.48, 1,111,559.51 and 442,944.62

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Solution

The fourth proportional to 805,505.48, 1,111,559.51 and 442,944.62 is: 611,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,505.48 : 1,111,559.51 = 442,944.62 : x
  2. Step 2: Convert to fraction form
    805,505.48/1,111,559.51 = 442,944.62/x
  3. Step 3: Cross multiply
    805,505.48x = 1,111,559.51 × 442,944.62
  4. Step 4: Simplify right side
    805,505.48x = 492,359,301,990.69
  5. Step 5: Solve for x
    x = 492,359,301,990.69/805,505.48
  6. Step 6: Final answer
    x = 611,242.65

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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.