Home / 734,715.21-1,013,815.17-407,983.80

Finding the Fourth Proportional to 734,715.21, 1,013,815.17 and 407,983.80

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Solution

The fourth proportional to 734,715.21, 1,013,815.17 and 407,983.80 is: 562,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,715.21 : 1,013,815.17 = 407,983.80 : x
  2. Step 2: Convert to fraction form
    734,715.21/1,013,815.17 = 407,983.80/x
  3. Step 3: Cross multiply
    734,715.21x = 1,013,815.17 × 407,983.80
  4. Step 4: Simplify right side
    734,715.21x = 413,620,160,485.17
  5. Step 5: Solve for x
    x = 413,620,160,485.17/734,715.21
  6. Step 6: Final answer
    x = 562,966.65

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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.