Home / 937,687.78-1,294,007.16-507,978.46

Finding the Fourth Proportional to 937,687.78, 1,294,007.16 and 507,978.46

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Solution

The fourth proportional to 937,687.78, 1,294,007.16 and 507,978.46 is: 701,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,687.78 : 1,294,007.16 = 507,978.46 : x
  2. Step 2: Convert to fraction form
    937,687.78/1,294,007.16 = 507,978.46/x
  3. Step 3: Cross multiply
    937,687.78x = 1,294,007.16 × 507,978.46
  4. Step 4: Simplify right side
    937,687.78x = 657,327,764,365.77
  5. Step 5: Solve for x
    x = 657,327,764,365.77/937,687.78
  6. Step 6: Final answer
    x = 701,009.20

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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.