Home / 931,617.84-1,397,348.76-257,707.44

Finding the Fourth Proportional to 931,617.84, 1,397,348.76 and 257,707.44

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Solution

The fourth proportional to 931,617.84, 1,397,348.76 and 257,707.44 is: 386,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,617.84 : 1,397,348.76 = 257,707.44 : x
  2. Step 2: Convert to fraction form
    931,617.84/1,397,348.76 = 257,707.44/x
  3. Step 3: Cross multiply
    931,617.84x = 1,397,348.76 × 257,707.44
  4. Step 4: Simplify right side
    931,617.84x = 360,107,171,726.77
  5. Step 5: Solve for x
    x = 360,107,171,726.77/931,617.84
  6. Step 6: Final answer
    x = 386,539.58

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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.