Home / 763,754.20-1,144,853.70-448,048.60

Finding the Fourth Proportional to 763,754.20, 1,144,853.70 and 448,048.60

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Solution

The fourth proportional to 763,754.20, 1,144,853.70 and 448,048.60 is: 671,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,754.20 : 1,144,853.70 = 448,048.60 : x
  2. Step 2: Convert to fraction form
    763,754.20/1,144,853.70 = 448,048.60/x
  3. Step 3: Cross multiply
    763,754.20x = 1,144,853.70 × 448,048.60
  4. Step 4: Simplify right side
    763,754.20x = 512,950,097,489.82
  5. Step 5: Solve for x
    x = 512,950,097,489.82/763,754.20
  6. Step 6: Final answer
    x = 671,616.73

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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.