Home / 840,525.39-1,159,919.53-477,949.28

Finding the Fourth Proportional to 840,525.39, 1,159,919.53 and 477,949.28

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Solution

The fourth proportional to 840,525.39, 1,159,919.53 and 477,949.28 is: 659,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,525.39 : 1,159,919.53 = 477,949.28 : x
  2. Step 2: Convert to fraction form
    840,525.39/1,159,919.53 = 477,949.28/x
  3. Step 3: Cross multiply
    840,525.39x = 1,159,919.53 × 477,949.28
  4. Step 4: Simplify right side
    840,525.39x = 554,382,697,226.97
  5. Step 5: Solve for x
    x = 554,382,697,226.97/840,525.39
  6. Step 6: Final answer
    x = 659,566.87

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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.