Home / 931,869.77-1,397,835.63-257,894.69

Finding the Fourth Proportional to 931,869.77, 1,397,835.63 and 257,894.69

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Solution

The fourth proportional to 931,869.77, 1,397,835.63 and 257,894.69 is: 386,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,869.77 : 1,397,835.63 = 257,894.69 : x
  2. Step 2: Convert to fraction form
    931,869.77/1,397,835.63 = 257,894.69/x
  3. Step 3: Cross multiply
    931,869.77x = 1,397,835.63 × 257,894.69
  4. Step 4: Simplify right side
    931,869.77x = 360,494,379,480.63
  5. Step 5: Solve for x
    x = 360,494,379,480.63/931,869.77
  6. Step 6: Final answer
    x = 386,850.60

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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.