Home / 955,758.78-1,318,735.35-553,117.50

Finding the Fourth Proportional to 955,758.78, 1,318,735.35 and 553,117.50

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Solution

The fourth proportional to 955,758.78, 1,318,735.35 and 553,117.50 is: 763,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,758.78 : 1,318,735.35 = 553,117.50 : x
  2. Step 2: Convert to fraction form
    955,758.78/1,318,735.35 = 553,117.50/x
  3. Step 3: Cross multiply
    955,758.78x = 1,318,735.35 × 553,117.50
  4. Step 4: Simplify right side
    955,758.78x = 729,415,599,953.63
  5. Step 5: Solve for x
    x = 729,415,599,953.63/955,758.78
  6. Step 6: Final answer
    x = 763,179.60

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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.