Home / 673,840.76-1,010,722.26-407,529.78

Finding the Fourth Proportional to 673,840.76, 1,010,722.26 and 407,529.78

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Solution

The fourth proportional to 673,840.76, 1,010,722.26 and 407,529.78 is: 611,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,840.76 : 1,010,722.26 = 407,529.78 : x
  2. Step 2: Convert to fraction form
    673,840.76/1,010,722.26 = 407,529.78/x
  3. Step 3: Cross multiply
    673,840.76x = 1,010,722.26 × 407,529.78
  4. Step 4: Simplify right side
    673,840.76x = 411,899,420,258.90
  5. Step 5: Solve for x
    x = 411,899,420,258.90/673,840.76
  6. Step 6: Final answer
    x = 611,271.16

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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.