Home / 346,812.03-478,633.46-217,771.74

Finding the Fourth Proportional to 346,812.03, 478,633.46 and 217,771.74

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Solution

The fourth proportional to 346,812.03, 478,633.46 and 217,771.74 is: 300,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,812.03 : 478,633.46 = 217,771.74 : x
  2. Step 2: Convert to fraction form
    346,812.03/478,633.46 = 217,771.74/x
  3. Step 3: Cross multiply
    346,812.03x = 478,633.46 × 217,771.74
  4. Step 4: Simplify right side
    346,812.03x = 104,232,840,317.56
  5. Step 5: Solve for x
    x = 104,232,840,317.56/346,812.03
  6. Step 6: Final answer
    x = 300,545.63

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1.5x scale

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.