Home / 805,051.10-1,110,977.43-442,483.40

Finding the Fourth Proportional to 805,051.10, 1,110,977.43 and 442,483.40

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Solution

The fourth proportional to 805,051.10, 1,110,977.43 and 442,483.40 is: 610,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,051.10 : 1,110,977.43 = 442,483.40 : x
  2. Step 2: Convert to fraction form
    805,051.10/1,110,977.43 = 442,483.40/x
  3. Step 3: Cross multiply
    805,051.10x = 1,110,977.43 × 442,483.40
  4. Step 4: Simplify right side
    805,051.10x = 491,589,070,549.66
  5. Step 5: Solve for x
    x = 491,589,070,549.66/805,051.10
  6. Step 6: Final answer
    x = 610,630.89

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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.