Home / 691,361.19-1,037,362.55-292,095.18

Finding the Fourth Proportional to 691,361.19, 1,037,362.55 and 292,095.18

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Solution

The fourth proportional to 691,361.19, 1,037,362.55 and 292,095.18 is: 438,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,361.19 : 1,037,362.55 = 292,095.18 : x
  2. Step 2: Convert to fraction form
    691,361.19/1,037,362.55 = 292,095.18/x
  3. Step 3: Cross multiply
    691,361.19x = 1,037,362.55 × 292,095.18
  4. Step 4: Simplify right side
    691,361.19x = 303,008,599,307.03
  5. Step 5: Solve for x
    x = 303,008,599,307.03/691,361.19
  6. Step 6: Final answer
    x = 438,278.29

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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.