Home / 545,162.08-752,323.71-303,439.47

Finding the Fourth Proportional to 545,162.08, 752,323.71 and 303,439.47

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Solution

The fourth proportional to 545,162.08, 752,323.71 and 303,439.47 is: 418,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,162.08 : 752,323.71 = 303,439.47 : x
  2. Step 2: Convert to fraction form
    545,162.08/752,323.71 = 303,439.47/x
  3. Step 3: Cross multiply
    545,162.08x = 752,323.71 × 303,439.47
  4. Step 4: Simplify right side
    545,162.08x = 228,284,707,830.83
  5. Step 5: Solve for x
    x = 228,284,707,830.83/545,162.08
  6. Step 6: Final answer
    x = 418,746.49

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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.