Home / 938,327.46-1,294,776-666,296.10

Finding the Fourth Proportional to 938,327.46, 1,294,776 and 666,296.10

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Solution

The fourth proportional to 938,327.46, 1,294,776 and 666,296.10 is: 919,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,327.46 : 1,294,776 = 666,296.10 : x
  2. Step 2: Convert to fraction form
    938,327.46/1,294,776 = 666,296.10/x
  3. Step 3: Cross multiply
    938,327.46x = 1,294,776 × 666,296.10
  4. Step 4: Simplify right side
    938,327.46x = 862,704,199,173.60
  5. Step 5: Solve for x
    x = 862,704,199,173.60/938,327.46
  6. Step 6: Final answer
    x = 919,406.32

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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.