Home / 805,225.02-1,111,235.40-442,676.58

Finding the Fourth Proportional to 805,225.02, 1,111,235.40 and 442,676.58

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Solution

The fourth proportional to 805,225.02, 1,111,235.40 and 442,676.58 is: 610,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,225.02 : 1,111,235.40 = 442,676.58 : x
  2. Step 2: Convert to fraction form
    805,225.02/1,111,235.40 = 442,676.58/x
  3. Step 3: Cross multiply
    805,225.02x = 1,111,235.40 × 442,676.58
  4. Step 4: Simplify right side
    805,225.02x = 491,917,886,446.93
  5. Step 5: Solve for x
    x = 491,917,886,446.93/805,225.02
  6. Step 6: Final answer
    x = 610,907.35

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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.