Home / 501,346.26-691,946.30-297,509.58

Finding the Fourth Proportional to 501,346.26, 691,946.30 and 297,509.58

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Solution

The fourth proportional to 501,346.26, 691,946.30 and 297,509.58 is: 410,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,346.26 : 691,946.30 = 297,509.58 : x
  2. Step 2: Convert to fraction form
    501,346.26/691,946.30 = 297,509.58/x
  3. Step 3: Cross multiply
    501,346.26x = 691,946.30 × 297,509.58
  4. Step 4: Simplify right side
    501,346.26x = 205,860,653,095.55
  5. Step 5: Solve for x
    x = 205,860,653,095.55/501,346.26
  6. Step 6: Final answer
    x = 410,615.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.