Home / 589,631.80-884,447.70-340,022.20

Finding the Fourth Proportional to 589,631.80, 884,447.70 and 340,022.20

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Solution

The fourth proportional to 589,631.80, 884,447.70 and 340,022.20 is: 510,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,631.80 : 884,447.70 = 340,022.20 : x
  2. Step 2: Convert to fraction form
    589,631.80/884,447.70 = 340,022.20/x
  3. Step 3: Cross multiply
    589,631.80x = 884,447.70 × 340,022.20
  4. Step 4: Simplify right side
    589,631.80x = 300,731,852,738.94
  5. Step 5: Solve for x
    x = 300,731,852,738.94/589,631.80
  6. Step 6: Final answer
    x = 510,033.30

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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.