Home / 748,603.53-1,123,704.46-322,350.40

Finding the Fourth Proportional to 748,603.53, 1,123,704.46 and 322,350.40

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Solution

The fourth proportional to 748,603.53, 1,123,704.46 and 322,350.40 is: 483,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,603.53 : 1,123,704.46 = 322,350.40 : x
  2. Step 2: Convert to fraction form
    748,603.53/1,123,704.46 = 322,350.40/x
  3. Step 3: Cross multiply
    748,603.53x = 1,123,704.46 × 322,350.40
  4. Step 4: Simplify right side
    748,603.53x = 362,226,583,970.35
  5. Step 5: Solve for x
    x = 362,226,583,970.35/748,603.53
  6. Step 6: Final answer
    x = 483,869.72

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1.5x scale

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.