Home / 766,435.76-1,057,630.73-460,330.25

Finding the Fourth Proportional to 766,435.76, 1,057,630.73 and 460,330.25

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Solution

The fourth proportional to 766,435.76, 1,057,630.73 and 460,330.25 is: 635,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,435.76 : 1,057,630.73 = 460,330.25 : x
  2. Step 2: Convert to fraction form
    766,435.76/1,057,630.73 = 460,330.25/x
  3. Step 3: Cross multiply
    766,435.76x = 1,057,630.73 × 460,330.25
  4. Step 4: Simplify right side
    766,435.76x = 486,859,410,758.78
  5. Step 5: Solve for x
    x = 486,859,410,758.78/766,435.76
  6. Step 6: Final answer
    x = 635,225.34

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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.