Home / 389,621.10-584,869.05-301,266.30

Finding the Fourth Proportional to 389,621.10, 584,869.05 and 301,266.30

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Solution

The fourth proportional to 389,621.10, 584,869.05 and 301,266.30 is: 452,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,621.10 : 584,869.05 = 301,266.30 : x
  2. Step 2: Convert to fraction form
    389,621.10/584,869.05 = 301,266.30/x
  3. Step 3: Cross multiply
    389,621.10x = 584,869.05 × 301,266.30
  4. Step 4: Simplify right side
    389,621.10x = 176,201,334,678.02
  5. Step 5: Solve for x
    x = 176,201,334,678.02/389,621.10
  6. Step 6: Final answer
    x = 452,237.66

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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.