Home / 744,488.03-1,027,575.99-422,386.67

Finding the Fourth Proportional to 744,488.03, 1,027,575.99 and 422,386.67

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Solution

The fourth proportional to 744,488.03, 1,027,575.99 and 422,386.67 is: 582,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,488.03 : 1,027,575.99 = 422,386.67 : x
  2. Step 2: Convert to fraction form
    744,488.03/1,027,575.99 = 422,386.67/x
  3. Step 3: Cross multiply
    744,488.03x = 1,027,575.99 × 422,386.67
  4. Step 4: Simplify right side
    744,488.03x = 434,034,403,156.99
  5. Step 5: Solve for x
    x = 434,034,403,156.99/744,488.03
  6. Step 6: Final answer
    x = 582,997.15

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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.