Home / 774,662.85-1,069,060.70-430,513.29

Finding the Fourth Proportional to 774,662.85, 1,069,060.70 and 430,513.29

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Solution

The fourth proportional to 774,662.85, 1,069,060.70 and 430,513.29 is: 594,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,662.85 : 1,069,060.70 = 430,513.29 : x
  2. Step 2: Convert to fraction form
    774,662.85/1,069,060.70 = 430,513.29/x
  3. Step 3: Cross multiply
    774,662.85x = 1,069,060.70 × 430,513.29
  4. Step 4: Simplify right side
    774,662.85x = 460,244,831,668.83
  5. Step 5: Solve for x
    x = 460,244,831,668.83/774,662.85
  6. Step 6: Final answer
    x = 594,122.76

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Double scale
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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.