Home / 761,597.30-1,142,634.70-458,322.37

Finding the Fourth Proportional to 761,597.30, 1,142,634.70 and 458,322.37

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Solution

The fourth proportional to 761,597.30, 1,142,634.70 and 458,322.37 is: 687,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,597.30 : 1,142,634.70 = 458,322.37 : x
  2. Step 2: Convert to fraction form
    761,597.30/1,142,634.70 = 458,322.37/x
  3. Step 3: Cross multiply
    761,597.30x = 1,142,634.70 × 458,322.37
  4. Step 4: Simplify right side
    761,597.30x = 523,695,043,748.24
  5. Step 5: Solve for x
    x = 523,695,043,748.24/761,597.30
  6. Step 6: Final answer
    x = 687,627.23

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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.