Home / 558,894.30-835,766.26-415,071.72

Finding the Fourth Proportional to 558,894.30, 835,766.26 and 415,071.72

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Solution

The fourth proportional to 558,894.30, 835,766.26 and 415,071.72 is: 620,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,894.30 : 835,766.26 = 415,071.72 : x
  2. Step 2: Convert to fraction form
    558,894.30/835,766.26 = 415,071.72/x
  3. Step 3: Cross multiply
    558,894.30x = 835,766.26 × 415,071.72
  4. Step 4: Simplify right side
    558,894.30x = 346,902,939,056.17
  5. Step 5: Solve for x
    x = 346,902,939,056.17/558,894.30
  6. Step 6: Final answer
    x = 620,695.07

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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.