Home / 413,567.20-619,573.20-213,205.60

Finding the Fourth Proportional to 413,567.20, 619,573.20 and 213,205.60

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Solution

The fourth proportional to 413,567.20, 619,573.20 and 213,205.60 is: 319,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,567.20 : 619,573.20 = 213,205.60 : x
  2. Step 2: Convert to fraction form
    413,567.20/619,573.20 = 213,205.60/x
  3. Step 3: Cross multiply
    413,567.20x = 619,573.20 × 213,205.60
  4. Step 4: Simplify right side
    413,567.20x = 132,096,475,849.92
  5. Step 5: Solve for x
    x = 132,096,475,849.92/413,567.20
  6. Step 6: Final answer
    x = 319,407.53

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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.