Home / 579,877.58-870,037.81-225,140.72

Finding the Fourth Proportional to 579,877.58, 870,037.81 and 225,140.72

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Solution

The fourth proportional to 579,877.58, 870,037.81 and 225,140.72 is: 337,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,877.58 : 870,037.81 = 225,140.72 : x
  2. Step 2: Convert to fraction form
    579,877.58/870,037.81 = 225,140.72/x
  3. Step 3: Cross multiply
    579,877.58x = 870,037.81 × 225,140.72
  4. Step 4: Simplify right side
    579,877.58x = 195,880,934,057.58
  5. Step 5: Solve for x
    x = 195,880,934,057.58/579,877.58
  6. Step 6: Final answer
    x = 337,797.05

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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.