Home / 779,841.80-1,169,762.70-476,723.60

Finding the Fourth Proportional to 779,841.80, 1,169,762.70 and 476,723.60

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Solution

The fourth proportional to 779,841.80, 1,169,762.70 and 476,723.60 is: 715,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,841.80 : 1,169,762.70 = 476,723.60 : x
  2. Step 2: Convert to fraction form
    779,841.80/1,169,762.70 = 476,723.60/x
  3. Step 3: Cross multiply
    779,841.80x = 1,169,762.70 × 476,723.60
  4. Step 4: Simplify right side
    779,841.80x = 557,653,485,489.72
  5. Step 5: Solve for x
    x = 557,653,485,489.72/779,841.80
  6. Step 6: Final answer
    x = 715,085.40

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Similar ratio
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1.5x scale

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.