Home / 549,249.54-757,943.37-307,509.50

Finding the Fourth Proportional to 549,249.54, 757,943.37 and 307,509.50

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Solution

The fourth proportional to 549,249.54, 757,943.37 and 307,509.50 is: 424,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,249.54 : 757,943.37 = 307,509.50 : x
  2. Step 2: Convert to fraction form
    549,249.54/757,943.37 = 307,509.50/x
  3. Step 3: Cross multiply
    549,249.54x = 757,943.37 × 307,509.50
  4. Step 4: Simplify right side
    549,249.54x = 233,074,782,947.30
  5. Step 5: Solve for x
    x = 233,074,782,947.30/549,249.54
  6. Step 6: Final answer
    x = 424,351.35

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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.