Home / 749,141.90-1,033,819.81-409,610.15

Finding the Fourth Proportional to 749,141.90, 1,033,819.81 and 409,610.15

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Solution

The fourth proportional to 749,141.90, 1,033,819.81 and 409,610.15 is: 565,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,141.90 : 1,033,819.81 = 409,610.15 : x
  2. Step 2: Convert to fraction form
    749,141.90/1,033,819.81 = 409,610.15/x
  3. Step 3: Cross multiply
    749,141.90x = 1,033,819.81 × 409,610.15
  4. Step 4: Simplify right side
    749,141.90x = 423,463,085,130.77
  5. Step 5: Solve for x
    x = 423,463,085,130.77/749,141.90
  6. Step 6: Final answer
    x = 565,264.19

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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.