Home / 749,361.07-1,034,126.44-409,822.03

Finding the Fourth Proportional to 749,361.07, 1,034,126.44 and 409,822.03

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Solution

The fourth proportional to 749,361.07, 1,034,126.44 and 409,822.03 is: 565,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,361.07 : 1,034,126.44 = 409,822.03 : x
  2. Step 2: Convert to fraction form
    749,361.07/1,034,126.44 = 409,822.03/x
  3. Step 3: Cross multiply
    749,361.07x = 1,034,126.44 × 409,822.03
  4. Step 4: Simplify right side
    749,361.07x = 423,807,799,490.83
  5. Step 5: Solve for x
    x = 423,807,799,490.83/749,361.07
  6. Step 6: Final answer
    x = 565,558.87

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1.5x scale

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.