Home / 957,559.52-1,321,423.32-521,976.80

Finding the Fourth Proportional to 957,559.52, 1,321,423.32 and 521,976.80

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Solution

The fourth proportional to 957,559.52, 1,321,423.32 and 521,976.80 is: 720,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,559.52 : 1,321,423.32 = 521,976.80 : x
  2. Step 2: Convert to fraction form
    957,559.52/1,321,423.32 = 521,976.80/x
  3. Step 3: Cross multiply
    957,559.52x = 1,321,423.32 × 521,976.80
  4. Step 4: Simplify right side
    957,559.52x = 689,752,316,018.98
  5. Step 5: Solve for x
    x = 689,752,316,018.98/957,559.52
  6. Step 6: Final answer
    x = 720,323.18

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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.