Home / 668,862.37-1,003,290.80-242,298.31

Finding the Fourth Proportional to 668,862.37, 1,003,290.80 and 242,298.31

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Solution

The fourth proportional to 668,862.37, 1,003,290.80 and 242,298.31 is: 363,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,862.37 : 1,003,290.80 = 242,298.31 : x
  2. Step 2: Convert to fraction form
    668,862.37/1,003,290.80 = 242,298.31/x
  3. Step 3: Cross multiply
    668,862.37x = 1,003,290.80 × 242,298.31
  4. Step 4: Simplify right side
    668,862.37x = 243,095,665,278.55
  5. Step 5: Solve for x
    x = 243,095,665,278.55/668,862.37
  6. Step 6: Final answer
    x = 363,446.47

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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.