Home / 749,248.40-1,033,941.78-409,709.36

Finding the Fourth Proportional to 749,248.40, 1,033,941.78 and 409,709.36

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Solution

The fourth proportional to 749,248.40, 1,033,941.78 and 409,709.36 is: 565,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,248.40 : 1,033,941.78 = 409,709.36 : x
  2. Step 2: Convert to fraction form
    749,248.40/1,033,941.78 = 409,709.36/x
  3. Step 3: Cross multiply
    749,248.40x = 1,033,941.78 × 409,709.36
  4. Step 4: Simplify right side
    749,248.40x = 423,615,624,961.06
  5. Step 5: Solve for x
    x = 423,615,624,961.06/749,248.40
  6. Step 6: Final answer
    x = 565,387.43

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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.