Home / 913,043.37-1,260,403.44-545,650.16

Finding the Fourth Proportional to 913,043.37, 1,260,403.44 and 545,650.16

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Solution

The fourth proportional to 913,043.37, 1,260,403.44 and 545,650.16 is: 753,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,043.37 : 1,260,403.44 = 545,650.16 : x
  2. Step 2: Convert to fraction form
    913,043.37/1,260,403.44 = 545,650.16/x
  3. Step 3: Cross multiply
    913,043.37x = 1,260,403.44 × 545,650.16
  4. Step 4: Simplify right side
    913,043.37x = 687,739,330,352.35
  5. Step 5: Solve for x
    x = 687,739,330,352.35/913,043.37
  6. Step 6: Final answer
    x = 753,238.40

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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.