Home / 851,034.60-1,174,491.90-488,575.80

Finding the Fourth Proportional to 851,034.60, 1,174,491.90 and 488,575.80

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Solution

The fourth proportional to 851,034.60, 1,174,491.90 and 488,575.80 is: 674,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,034.60 : 1,174,491.90 = 488,575.80 : x
  2. Step 2: Convert to fraction form
    851,034.60/1,174,491.90 = 488,575.80/x
  3. Step 3: Cross multiply
    851,034.60x = 1,174,491.90 × 488,575.80
  4. Step 4: Simplify right side
    851,034.60x = 573,828,319,636.02
  5. Step 5: Solve for x
    x = 573,828,319,636.02/851,034.60
  6. Step 6: Final answer
    x = 674,271.43

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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.