Home / 389,501.40-584,252.10-384,252.60

Finding the Fourth Proportional to 389,501.40, 584,252.10 and 384,252.60

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Solution

The fourth proportional to 389,501.40, 584,252.10 and 384,252.60 is: 576,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,501.40 : 584,252.10 = 384,252.60 : x
  2. Step 2: Convert to fraction form
    389,501.40/584,252.10 = 384,252.60/x
  3. Step 3: Cross multiply
    389,501.40x = 584,252.10 × 384,252.60
  4. Step 4: Simplify right side
    389,501.40x = 224,500,388,480.46
  5. Step 5: Solve for x
    x = 224,500,388,480.46/389,501.40
  6. Step 6: Final answer
    x = 576,378.90

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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.