Home / 691,930.16-1,037,969.08-292,611.32

Finding the Fourth Proportional to 691,930.16, 1,037,969.08 and 292,611.32

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Solution

The fourth proportional to 691,930.16, 1,037,969.08 and 292,611.32 is: 438,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,930.16 : 1,037,969.08 = 292,611.32 : x
  2. Step 2: Convert to fraction form
    691,930.16/1,037,969.08 = 292,611.32/x
  3. Step 3: Cross multiply
    691,930.16x = 1,037,969.08 × 292,611.32
  4. Step 4: Simplify right side
    691,930.16x = 303,721,502,617.99
  5. Step 5: Solve for x
    x = 303,721,502,617.99/691,930.16
  6. Step 6: Final answer
    x = 438,948.21

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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.