Home / 749,018.13-1,033,648.66-409,486.38

Finding the Fourth Proportional to 749,018.13, 1,033,648.66 and 409,486.38

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Solution

The fourth proportional to 749,018.13, 1,033,648.66 and 409,486.38 is: 565,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,018.13 : 1,033,648.66 = 409,486.38 : x
  2. Step 2: Convert to fraction form
    749,018.13/1,033,648.66 = 409,486.38/x
  3. Step 3: Cross multiply
    749,018.13x = 1,033,648.66 × 409,486.38
  4. Step 4: Simplify right side
    749,018.13x = 423,265,047,975.25
  5. Step 5: Solve for x
    x = 423,265,047,975.25/749,018.13
  6. Step 6: Final answer
    x = 565,093.19

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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.