Home / 743,076.90-1,025,407.89-403,544.34

Finding the Fourth Proportional to 743,076.90, 1,025,407.89 and 403,544.34

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Solution

The fourth proportional to 743,076.90, 1,025,407.89 and 403,544.34 is: 556,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,076.90 : 1,025,407.89 = 403,544.34 : x
  2. Step 2: Convert to fraction form
    743,076.90/1,025,407.89 = 403,544.34/x
  3. Step 3: Cross multiply
    743,076.90x = 1,025,407.89 × 403,544.34
  4. Step 4: Simplify right side
    743,076.90x = 413,797,550,200.84
  5. Step 5: Solve for x
    x = 413,797,550,200.84/743,076.90
  6. Step 6: Final answer
    x = 556,870.43

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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.