Home / 931,495.26-1,396,073.85-398,389.50

Finding the Fourth Proportional to 931,495.26, 1,396,073.85 and 398,389.50

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Solution

The fourth proportional to 931,495.26, 1,396,073.85 and 398,389.50 is: 597,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,495.26 : 1,396,073.85 = 398,389.50 : x
  2. Step 2: Convert to fraction form
    931,495.26/1,396,073.85 = 398,389.50/x
  3. Step 3: Cross multiply
    931,495.26x = 1,396,073.85 × 398,389.50
  4. Step 4: Simplify right side
    931,495.26x = 556,181,163,064.58
  5. Step 5: Solve for x
    x = 556,181,163,064.58/931,495.26
  6. Step 6: Final answer
    x = 597,084.27

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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.