Home / 734,428.10-1,013,583.60-412,139.48

Finding the Fourth Proportional to 734,428.10, 1,013,583.60 and 412,139.48

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Solution

The fourth proportional to 734,428.10, 1,013,583.60 and 412,139.48 is: 568,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,428.10 : 1,013,583.60 = 412,139.48 : x
  2. Step 2: Convert to fraction form
    734,428.10/1,013,583.60 = 412,139.48/x
  3. Step 3: Cross multiply
    734,428.10x = 1,013,583.60 × 412,139.48
  4. Step 4: Simplify right side
    734,428.10x = 417,737,812,772.61
  5. Step 5: Solve for x
    x = 417,737,812,772.61/734,428.10
  6. Step 6: Final answer
    x = 568,793.34

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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.