Home / 346,728.70-520,093.05-283,743.10

Finding the Fourth Proportional to 346,728.70, 520,093.05 and 283,743.10

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Solution

The fourth proportional to 346,728.70, 520,093.05 and 283,743.10 is: 425,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,728.70 : 520,093.05 = 283,743.10 : x
  2. Step 2: Convert to fraction form
    346,728.70/520,093.05 = 283,743.10/x
  3. Step 3: Cross multiply
    346,728.70x = 520,093.05 × 283,743.10
  4. Step 4: Simplify right side
    346,728.70x = 147,572,814,295.46
  5. Step 5: Solve for x
    x = 147,572,814,295.46/346,728.70
  6. Step 6: Final answer
    x = 425,614.65

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1.5x scale

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.