Home / 493,931.44-681,656.88-302,918.86

Finding the Fourth Proportional to 493,931.44, 681,656.88 and 302,918.86

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Solution

The fourth proportional to 493,931.44, 681,656.88 and 302,918.86 is: 418,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,931.44 : 681,656.88 = 302,918.86 : x
  2. Step 2: Convert to fraction form
    493,931.44/681,656.88 = 302,918.86/x
  3. Step 3: Cross multiply
    493,931.44x = 681,656.88 × 302,918.86
  4. Step 4: Simplify right side
    493,931.44x = 206,486,725,000.76
  5. Step 5: Solve for x
    x = 206,486,725,000.76/493,931.44
  6. Step 6: Final answer
    x = 418,047.34

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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.