Home / 779,832.80-1,169,749.20-476,714.60

Finding the Fourth Proportional to 779,832.80, 1,169,749.20 and 476,714.60

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Solution

The fourth proportional to 779,832.80, 1,169,749.20 and 476,714.60 is: 715,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,832.80 : 1,169,749.20 = 476,714.60 : x
  2. Step 2: Convert to fraction form
    779,832.80/1,169,749.20 = 476,714.60/x
  3. Step 3: Cross multiply
    779,832.80x = 1,169,749.20 × 476,714.60
  4. Step 4: Simplify right side
    779,832.80x = 557,636,521,978.32
  5. Step 5: Solve for x
    x = 557,636,521,978.32/779,832.80
  6. Step 6: Final answer
    x = 715,071.90

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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.