Home / 460,633.23-635,810.72-290,980.35

Finding the Fourth Proportional to 460,633.23, 635,810.72 and 290,980.35

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Solution

The fourth proportional to 460,633.23, 635,810.72 and 290,980.35 is: 401,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,633.23 : 635,810.72 = 290,980.35 : x
  2. Step 2: Convert to fraction form
    460,633.23/635,810.72 = 290,980.35/x
  3. Step 3: Cross multiply
    460,633.23x = 635,810.72 × 290,980.35
  4. Step 4: Simplify right side
    460,633.23x = 185,008,424,384.45
  5. Step 5: Solve for x
    x = 185,008,424,384.45/460,633.23
  6. Step 6: Final answer
    x = 401,639.34

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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.