Home / 804,983.94-1,110,904.47-442,420.65

Finding the Fourth Proportional to 804,983.94, 1,110,904.47 and 442,420.65

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Solution

The fourth proportional to 804,983.94, 1,110,904.47 and 442,420.65 is: 610,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,983.94 : 1,110,904.47 = 442,420.65 : x
  2. Step 2: Convert to fraction form
    804,983.94/1,110,904.47 = 442,420.65/x
  3. Step 3: Cross multiply
    804,983.94x = 1,110,904.47 × 442,420.65
  4. Step 4: Simplify right side
    804,983.94x = 491,487,077,705.31
  5. Step 5: Solve for x
    x = 491,487,077,705.31/804,983.94
  6. Step 6: Final answer
    x = 610,555.13

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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.