Home / 748,665.23-1,033,158.45-409,133.48

Finding the Fourth Proportional to 748,665.23, 1,033,158.45 and 409,133.48

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Solution

The fourth proportional to 748,665.23, 1,033,158.45 and 409,133.48 is: 564,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,665.23 : 1,033,158.45 = 409,133.48 : x
  2. Step 2: Convert to fraction form
    748,665.23/1,033,158.45 = 409,133.48/x
  3. Step 3: Cross multiply
    748,665.23x = 1,033,158.45 × 409,133.48
  4. Step 4: Simplify right side
    748,665.23x = 422,699,712,039.91
  5. Step 5: Solve for x
    x = 422,699,712,039.91/748,665.23
  6. Step 6: Final answer
    x = 564,604.44

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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.