Home / 710,729.50-1,066,278.93-212,093.50

Finding the Fourth Proportional to 710,729.50, 1,066,278.93 and 212,093.50

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Solution

The fourth proportional to 710,729.50, 1,066,278.93 and 212,093.50 is: 318,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,729.50 : 1,066,278.93 = 212,093.50 : x
  2. Step 2: Convert to fraction form
    710,729.50/1,066,278.93 = 212,093.50/x
  3. Step 3: Cross multiply
    710,729.50x = 1,066,278.93 × 212,093.50
  4. Step 4: Simplify right side
    710,729.50x = 226,150,830,239.96
  5. Step 5: Solve for x
    x = 226,150,830,239.96/710,729.50
  6. Step 6: Final answer
    x = 318,195.36

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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.