Home / 898,725.95-1,348,505.69-393,220.27

Finding the Fourth Proportional to 898,725.95, 1,348,505.69 and 393,220.27

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Solution

The fourth proportional to 898,725.95, 1,348,505.69 and 393,220.27 is: 590,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,725.95 : 1,348,505.69 = 393,220.27 : x
  2. Step 2: Convert to fraction form
    898,725.95/1,348,505.69 = 393,220.27/x
  3. Step 3: Cross multiply
    898,725.95x = 1,348,505.69 × 393,220.27
  4. Step 4: Simplify right side
    898,725.95x = 530,259,771,237.87
  5. Step 5: Solve for x
    x = 530,259,771,237.87/898,725.95
  6. Step 6: Final answer
    x = 590,012.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.