Home / 957,291.72-1,321,071.30-527,587.44

Finding the Fourth Proportional to 957,291.72, 1,321,071.30 and 527,587.44

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Solution

The fourth proportional to 957,291.72, 1,321,071.30 and 527,587.44 is: 728,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,291.72 : 1,321,071.30 = 527,587.44 : x
  2. Step 2: Convert to fraction form
    957,291.72/1,321,071.30 = 527,587.44/x
  3. Step 3: Cross multiply
    957,291.72x = 1,321,071.30 × 527,587.44
  4. Step 4: Simplify right side
    957,291.72x = 696,980,625,224.47
  5. Step 5: Solve for x
    x = 696,980,625,224.47/957,291.72
  6. Step 6: Final answer
    x = 728,075.48

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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.