Home / 698,965.76-1,048,275.30-299,561.24

Finding the Fourth Proportional to 698,965.76, 1,048,275.30 and 299,561.24

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Solution

The fourth proportional to 698,965.76, 1,048,275.30 and 299,561.24 is: 449,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,965.76 : 1,048,275.30 = 299,561.24 : x
  2. Step 2: Convert to fraction form
    698,965.76/1,048,275.30 = 299,561.24/x
  3. Step 3: Cross multiply
    698,965.76x = 1,048,275.30 × 299,561.24
  4. Step 4: Simplify right side
    698,965.76x = 314,022,648,729.37
  5. Step 5: Solve for x
    x = 314,022,648,729.37/698,965.76
  6. Step 6: Final answer
    x = 449,267.57

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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.