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Finding the Fourth Proportional to 867,797.72, 1,197,527.77 and 475,324.45

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Solution

The fourth proportional to 867,797.72, 1,197,527.77 and 475,324.45 is: 655,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,797.72 : 1,197,527.77 = 475,324.45 : x
  2. Step 2: Convert to fraction form
    867,797.72/1,197,527.77 = 475,324.45/x
  3. Step 3: Cross multiply
    867,797.72x = 1,197,527.77 × 475,324.45
  4. Step 4: Simplify right side
    867,797.72x = 569,214,224,452.85
  5. Step 5: Solve for x
    x = 569,214,224,452.85/867,797.72
  6. Step 6: Final answer
    x = 655,929.62

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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.