Home / 765,886.56-1,056,923.07-426,435

Finding the Fourth Proportional to 765,886.56, 1,056,923.07 and 426,435

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Solution

The fourth proportional to 765,886.56, 1,056,923.07 and 426,435 is: 588,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,886.56 : 1,056,923.07 = 426,435 : x
  2. Step 2: Convert to fraction form
    765,886.56/1,056,923.07 = 426,435/x
  3. Step 3: Cross multiply
    765,886.56x = 1,056,923.07 × 426,435
  4. Step 4: Simplify right side
    765,886.56x = 450,708,989,355.45
  5. Step 5: Solve for x
    x = 450,708,989,355.45/765,886.56
  6. Step 6: Final answer
    x = 588,480.09

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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.