Home / 779,333.36-1,076,222.76-736,875.73

Finding the Fourth Proportional to 779,333.36, 1,076,222.76 and 736,875.73

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Solution

The fourth proportional to 779,333.36, 1,076,222.76 and 736,875.73 is: 1,017,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,333.36 : 1,076,222.76 = 736,875.73 : x
  2. Step 2: Convert to fraction form
    779,333.36/1,076,222.76 = 736,875.73/x
  3. Step 3: Cross multiply
    779,333.36x = 1,076,222.76 × 736,875.73
  4. Step 4: Simplify right side
    779,333.36x = 793,042,431,917.62
  5. Step 5: Solve for x
    x = 793,042,431,917.62/779,333.36
  6. Step 6: Final answer
    x = 1,017,590.77

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Double scale
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Similar ratio
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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.