Home / 914,907.60-1,372,415.16-353,945.04

Finding the Fourth Proportional to 914,907.60, 1,372,415.16 and 353,945.04

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Solution

The fourth proportional to 914,907.60, 1,372,415.16 and 353,945.04 is: 530,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,907.60 : 1,372,415.16 = 353,945.04 : x
  2. Step 2: Convert to fraction form
    914,907.60/1,372,415.16 = 353,945.04/x
  3. Step 3: Cross multiply
    914,907.60x = 1,372,415.16 × 353,945.04
  4. Step 4: Simplify right side
    914,907.60x = 485,759,538,702.81
  5. Step 5: Solve for x
    x = 485,759,538,702.81/914,907.60
  6. Step 6: Final answer
    x = 530,938.36

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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.