Home / 734,634.15-1,013,717.32-412,379.70

Finding the Fourth Proportional to 734,634.15, 1,013,717.32 and 412,379.70

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Solution

The fourth proportional to 734,634.15, 1,013,717.32 and 412,379.70 is: 569,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,634.15 : 1,013,717.32 = 412,379.70 : x
  2. Step 2: Convert to fraction form
    734,634.15/1,013,717.32 = 412,379.70/x
  3. Step 3: Cross multiply
    734,634.15x = 1,013,717.32 × 412,379.70
  4. Step 4: Simplify right side
    734,634.15x = 418,036,444,306.40
  5. Step 5: Solve for x
    x = 418,036,444,306.40/734,634.15
  6. Step 6: Final answer
    x = 569,040.31

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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.