Home / 740,279.12-1,110,418.54-403,602.92

Finding the Fourth Proportional to 740,279.12, 1,110,418.54 and 403,602.92

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Solution

The fourth proportional to 740,279.12, 1,110,418.54 and 403,602.92 is: 605,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,279.12 : 1,110,418.54 = 403,602.92 : x
  2. Step 2: Convert to fraction form
    740,279.12/1,110,418.54 = 403,602.92/x
  3. Step 3: Cross multiply
    740,279.12x = 1,110,418.54 × 403,602.92
  4. Step 4: Simplify right side
    740,279.12x = 448,168,165,166.14
  5. Step 5: Solve for x
    x = 448,168,165,166.14/740,279.12
  6. Step 6: Final answer
    x = 605,404.30

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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.