Home / 470,463.22-705,768.65-281,137.36

Finding the Fourth Proportional to 470,463.22, 705,768.65 and 281,137.36

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Solution

The fourth proportional to 470,463.22, 705,768.65 and 281,137.36 is: 421,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,463.22 : 705,768.65 = 281,137.36 : x
  2. Step 2: Convert to fraction form
    470,463.22/705,768.65 = 281,137.36/x
  3. Step 3: Cross multiply
    470,463.22x = 705,768.65 × 281,137.36
  4. Step 4: Simplify right side
    470,463.22x = 198,417,935,031.76
  5. Step 5: Solve for x
    x = 198,417,935,031.76/470,463.22
  6. Step 6: Final answer
    x = 421,750.15

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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.