Home / 805,043.31-1,110,962.10-442,504.32

Finding the Fourth Proportional to 805,043.31, 1,110,962.10 and 442,504.32

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Solution

The fourth proportional to 805,043.31, 1,110,962.10 and 442,504.32 is: 610,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,043.31 : 1,110,962.10 = 442,504.32 : x
  2. Step 2: Convert to fraction form
    805,043.31/1,110,962.10 = 442,504.32/x
  3. Step 3: Cross multiply
    805,043.31x = 1,110,962.10 × 442,504.32
  4. Step 4: Simplify right side
    805,043.31x = 491,605,528,606.27
  5. Step 5: Solve for x
    x = 491,605,528,606.27/805,043.31
  6. Step 6: Final answer
    x = 610,657.24

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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.