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Finding the Fourth Proportional to 999,000.59, 1,498,371.03 and 399,967.63

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Solution

The fourth proportional to 999,000.59, 1,498,371.03 and 399,967.63 is: 599,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,000.59 : 1,498,371.03 = 399,967.63 : x
  2. Step 2: Convert to fraction form
    999,000.59/1,498,371.03 = 399,967.63/x
  3. Step 3: Cross multiply
    999,000.59x = 1,498,371.03 × 399,967.63
  4. Step 4: Simplify right side
    999,000.59x = 599,299,905,983.83
  5. Step 5: Solve for x
    x = 599,299,905,983.83/999,000.59
  6. Step 6: Final answer
    x = 599,899.45

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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.