Home / 770,668.43-1,063,498.41-426,483.63

Finding the Fourth Proportional to 770,668.43, 1,063,498.41 and 426,483.63

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Solution

The fourth proportional to 770,668.43, 1,063,498.41 and 426,483.63 is: 588,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,668.43 : 1,063,498.41 = 426,483.63 : x
  2. Step 2: Convert to fraction form
    770,668.43/1,063,498.41 = 426,483.63/x
  3. Step 3: Cross multiply
    770,668.43x = 1,063,498.41 × 426,483.63
  4. Step 4: Simplify right side
    770,668.43x = 453,564,662,396.03
  5. Step 5: Solve for x
    x = 453,564,662,396.03/770,668.43
  6. Step 6: Final answer
    x = 588,534.12

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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.