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Finding the Fourth Proportional to 889,039.44, 1,226,862 and 507,072.48

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Solution

The fourth proportional to 889,039.44, 1,226,862 and 507,072.48 is: 699,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,039.44 : 1,226,862 = 507,072.48 : x
  2. Step 2: Convert to fraction form
    889,039.44/1,226,862 = 507,072.48/x
  3. Step 3: Cross multiply
    889,039.44x = 1,226,862 × 507,072.48
  4. Step 4: Simplify right side
    889,039.44x = 622,107,956,957.76
  5. Step 5: Solve for x
    x = 622,107,956,957.76/889,039.44
  6. Step 6: Final answer
    x = 699,752.93

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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.