Home / 931,870.17-1,397,807.08-257,953.41

Finding the Fourth Proportional to 931,870.17, 1,397,807.08 and 257,953.41

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Solution

The fourth proportional to 931,870.17, 1,397,807.08 and 257,953.41 is: 386,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,870.17 : 1,397,807.08 = 257,953.41 : x
  2. Step 2: Convert to fraction form
    931,870.17/1,397,807.08 = 257,953.41/x
  3. Step 3: Cross multiply
    931,870.17x = 1,397,807.08 × 257,953.41
  4. Step 4: Simplify right side
    931,870.17x = 360,569,102,163.26
  5. Step 5: Solve for x
    x = 360,569,102,163.26/931,870.17
  6. Step 6: Final answer
    x = 386,930.62

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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.