Home / 706,304.07-1,060,121.93-257,458.77

Finding the Fourth Proportional to 706,304.07, 1,060,121.93 and 257,458.77

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Solution

The fourth proportional to 706,304.07, 1,060,121.93 and 257,458.77 is: 386,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,304.07 : 1,060,121.93 = 257,458.77 : x
  2. Step 2: Convert to fraction form
    706,304.07/1,060,121.93 = 257,458.77/x
  3. Step 3: Cross multiply
    706,304.07x = 1,060,121.93 × 257,458.77
  4. Step 4: Simplify right side
    706,304.07x = 272,937,686,860.53
  5. Step 5: Solve for x
    x = 272,937,686,860.53/706,304.07
  6. Step 6: Final answer
    x = 386,430.86

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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.