Home / 931,090.11-1,396,607.52-257,211.96

Finding the Fourth Proportional to 931,090.11, 1,396,607.52 and 257,211.96

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Solution

The fourth proportional to 931,090.11, 1,396,607.52 and 257,211.96 is: 385,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,090.11 : 1,396,607.52 = 257,211.96 : x
  2. Step 2: Convert to fraction form
    931,090.11/1,396,607.52 = 257,211.96/x
  3. Step 3: Cross multiply
    931,090.11x = 1,396,607.52 × 257,211.96
  4. Step 4: Simplify right side
    931,090.11x = 359,224,157,569.94
  5. Step 5: Solve for x
    x = 359,224,157,569.94/931,090.11
  6. Step 6: Final answer
    x = 385,810.30

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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.