Home / 656,864.70-985,297.05-302,570.70

Finding the Fourth Proportional to 656,864.70, 985,297.05 and 302,570.70

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Solution

The fourth proportional to 656,864.70, 985,297.05 and 302,570.70 is: 453,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,864.70 : 985,297.05 = 302,570.70 : x
  2. Step 2: Convert to fraction form
    656,864.70/985,297.05 = 302,570.70/x
  3. Step 3: Cross multiply
    656,864.70x = 985,297.05 × 302,570.70
  4. Step 4: Simplify right side
    656,864.70x = 298,122,018,126.44
  5. Step 5: Solve for x
    x = 298,122,018,126.44/656,864.70
  6. Step 6: Final answer
    x = 453,856.05

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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.