Home / 941,047.24-1,298,800.02-687,238.60

Finding the Fourth Proportional to 941,047.24, 1,298,800.02 and 687,238.60

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Solution

The fourth proportional to 941,047.24, 1,298,800.02 and 687,238.60 is: 948,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,047.24 : 1,298,800.02 = 687,238.60 : x
  2. Step 2: Convert to fraction form
    941,047.24/1,298,800.02 = 687,238.60/x
  3. Step 3: Cross multiply
    941,047.24x = 1,298,800.02 × 687,238.60
  4. Step 4: Simplify right side
    941,047.24x = 892,585,507,424.77
  5. Step 5: Solve for x
    x = 892,585,507,424.77/941,047.24
  6. Step 6: Final answer
    x = 948,502.34

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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.