Home / 851,714.40-1,277,110.80-353,128.80

Finding the Fourth Proportional to 851,714.40, 1,277,110.80 and 353,128.80

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Solution

The fourth proportional to 851,714.40, 1,277,110.80 and 353,128.80 is: 529,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,714.40 : 1,277,110.80 = 353,128.80 : x
  2. Step 2: Convert to fraction form
    851,714.40/1,277,110.80 = 353,128.80/x
  3. Step 3: Cross multiply
    851,714.40x = 1,277,110.80 × 353,128.80
  4. Step 4: Simplify right side
    851,714.40x = 450,984,604,271.04
  5. Step 5: Solve for x
    x = 450,984,604,271.04/851,714.40
  6. Step 6: Final answer
    x = 529,502.15

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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.