Home / 805,303.50-1,111,290.51-442,724.72

Finding the Fourth Proportional to 805,303.50, 1,111,290.51 and 442,724.72

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Solution

The fourth proportional to 805,303.50, 1,111,290.51 and 442,724.72 is: 610,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,303.50 : 1,111,290.51 = 442,724.72 : x
  2. Step 2: Convert to fraction form
    805,303.50/1,111,290.51 = 442,724.72/x
  3. Step 3: Cross multiply
    805,303.50x = 1,111,290.51 × 442,724.72
  4. Step 4: Simplify right side
    805,303.50x = 491,995,774,321.96
  5. Step 5: Solve for x
    x = 491,995,774,321.96/805,303.50
  6. Step 6: Final answer
    x = 610,944.54

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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.