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Finding the Fourth Proportional to 867,798.92, 1,301,398.38 and 412,337.48

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Solution

The fourth proportional to 867,798.92, 1,301,398.38 and 412,337.48 is: 618,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,798.92 : 1,301,398.38 = 412,337.48 : x
  2. Step 2: Convert to fraction form
    867,798.92/1,301,398.38 = 412,337.48/x
  3. Step 3: Cross multiply
    867,798.92x = 1,301,398.38 × 412,337.48
  4. Step 4: Simplify right side
    867,798.92x = 536,615,328,485.28
  5. Step 5: Solve for x
    x = 536,615,328,485.28/867,798.92
  6. Step 6: Final answer
    x = 618,363.67

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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.