Home / 721,045.03-1,081,566.16-271,866.66

Finding the Fourth Proportional to 721,045.03, 1,081,566.16 and 271,866.66

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Solution

The fourth proportional to 721,045.03, 1,081,566.16 and 271,866.66 is: 407,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,045.03 : 1,081,566.16 = 271,866.66 : x
  2. Step 2: Convert to fraction form
    721,045.03/1,081,566.16 = 271,866.66/x
  3. Step 3: Cross multiply
    721,045.03x = 1,081,566.16 × 271,866.66
  4. Step 4: Simplify right side
    721,045.03x = 294,041,779,488.23
  5. Step 5: Solve for x
    x = 294,041,779,488.23/721,045.03
  6. Step 6: Final answer
    x = 407,799.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.