Home / 753,614.90-1,130,422.35-611,897.30

Finding the Fourth Proportional to 753,614.90, 1,130,422.35 and 611,897.30

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Solution

The fourth proportional to 753,614.90, 1,130,422.35 and 611,897.30 is: 917,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,614.90 : 1,130,422.35 = 611,897.30 : x
  2. Step 2: Convert to fraction form
    753,614.90/1,130,422.35 = 611,897.30/x
  3. Step 3: Cross multiply
    753,614.90x = 1,130,422.35 × 611,897.30
  4. Step 4: Simplify right side
    753,614.90x = 691,702,383,824.66
  5. Step 5: Solve for x
    x = 691,702,383,824.66/753,614.90
  6. Step 6: Final answer
    x = 917,845.95

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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.