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Finding the Fourth Proportional to 440,324.92, 607,834.40 and 297,278.72

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Solution

The fourth proportional to 440,324.92, 607,834.40 and 297,278.72 is: 410,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,324.92 : 607,834.40 = 297,278.72 : x
  2. Step 2: Convert to fraction form
    440,324.92/607,834.40 = 297,278.72/x
  3. Step 3: Cross multiply
    440,324.92x = 607,834.40 × 297,278.72
  4. Step 4: Simplify right side
    440,324.92x = 180,696,232,403.97
  5. Step 5: Solve for x
    x = 180,696,232,403.97/440,324.92
  6. Step 6: Final answer
    x = 410,370.22

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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.