Home / 740,962.34-1,022,529.10-401,430.58

Finding the Fourth Proportional to 740,962.34, 1,022,529.10 and 401,430.58

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Solution

The fourth proportional to 740,962.34, 1,022,529.10 and 401,430.58 is: 553,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,962.34 : 1,022,529.10 = 401,430.58 : x
  2. Step 2: Convert to fraction form
    740,962.34/1,022,529.10 = 401,430.58/x
  3. Step 3: Cross multiply
    740,962.34x = 1,022,529.10 × 401,430.58
  4. Step 4: Simplify right side
    740,962.34x = 410,474,449,679.88
  5. Step 5: Solve for x
    x = 410,474,449,679.88/740,962.34
  6. Step 6: Final answer
    x = 553,974.78

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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.