Home / 898,289.26-1,347,357.98-291,064.72

Finding the Fourth Proportional to 898,289.26, 1,347,357.98 and 291,064.72

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Solution

The fourth proportional to 898,289.26, 1,347,357.98 and 291,064.72 is: 436,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,289.26 : 1,347,357.98 = 291,064.72 : x
  2. Step 2: Convert to fraction form
    898,289.26/1,347,357.98 = 291,064.72/x
  3. Step 3: Cross multiply
    898,289.26x = 1,347,357.98 × 291,064.72
  4. Step 4: Simplify right side
    898,289.26x = 392,168,373,188.47
  5. Step 5: Solve for x
    x = 392,168,373,188.47/898,289.26
  6. Step 6: Final answer
    x = 436,572.48

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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.