Home / 937,686.78-1,294,005.78-507,977.46

Finding the Fourth Proportional to 937,686.78, 1,294,005.78 and 507,977.46

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Solution

The fourth proportional to 937,686.78, 1,294,005.78 and 507,977.46 is: 701,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,686.78 : 1,294,005.78 = 507,977.46 : x
  2. Step 2: Convert to fraction form
    937,686.78/1,294,005.78 = 507,977.46/x
  3. Step 3: Cross multiply
    937,686.78x = 1,294,005.78 × 507,977.46
  4. Step 4: Simplify right side
    937,686.78x = 657,325,769,349.72
  5. Step 5: Solve for x
    x = 657,325,769,349.72/937,686.78
  6. Step 6: Final answer
    x = 701,007.82

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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.