Home / 921,534.57-1,382,924.61-322,500.96

Finding the Fourth Proportional to 921,534.57, 1,382,924.61 and 322,500.96

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Solution

The fourth proportional to 921,534.57, 1,382,924.61 and 322,500.96 is: 483,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,534.57 : 1,382,924.61 = 322,500.96 : x
  2. Step 2: Convert to fraction form
    921,534.57/1,382,924.61 = 322,500.96/x
  3. Step 3: Cross multiply
    921,534.57x = 1,382,924.61 × 322,500.96
  4. Step 4: Simplify right side
    921,534.57x = 445,994,514,332.63
  5. Step 5: Solve for x
    x = 445,994,514,332.63/921,534.57
  6. Step 6: Final answer
    x = 483,969.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.