Home / 740,872.96-1,022,405.16-401,342.56

Finding the Fourth Proportional to 740,872.96, 1,022,405.16 and 401,342.56

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Solution

The fourth proportional to 740,872.96, 1,022,405.16 and 401,342.56 is: 553,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,872.96 : 1,022,405.16 = 401,342.56 : x
  2. Step 2: Convert to fraction form
    740,872.96/1,022,405.16 = 401,342.56/x
  3. Step 3: Cross multiply
    740,872.96x = 1,022,405.16 × 401,342.56
  4. Step 4: Simplify right side
    740,872.96x = 410,334,704,271.61
  5. Step 5: Solve for x
    x = 410,334,704,271.61/740,872.96
  6. Step 6: Final answer
    x = 553,852.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.