Home / 734,334.70-1,013,390.05-407,669.80

Finding the Fourth Proportional to 734,334.70, 1,013,390.05 and 407,669.80

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Solution

The fourth proportional to 734,334.70, 1,013,390.05 and 407,669.80 is: 562,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,334.70 : 1,013,390.05 = 407,669.80 : x
  2. Step 2: Convert to fraction form
    734,334.70/1,013,390.05 = 407,669.80/x
  3. Step 3: Cross multiply
    734,334.70x = 1,013,390.05 × 407,669.80
  4. Step 4: Simplify right side
    734,334.70x = 413,128,519,005.49
  5. Step 5: Solve for x
    x = 413,128,519,005.49/734,334.70
  6. Step 6: Final answer
    x = 562,588.86

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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.