Home / 437,730.12-604,295.91-310,709.16

Finding the Fourth Proportional to 437,730.12, 604,295.91 and 310,709.16

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Solution

The fourth proportional to 437,730.12, 604,295.91 and 310,709.16 is: 428,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,730.12 : 604,295.91 = 310,709.16 : x
  2. Step 2: Convert to fraction form
    437,730.12/604,295.91 = 310,709.16/x
  3. Step 3: Cross multiply
    437,730.12x = 604,295.91 × 310,709.16
  4. Step 4: Simplify right side
    437,730.12x = 187,760,274,587.54
  5. Step 5: Solve for x
    x = 187,760,274,587.54/437,730.12
  6. Step 6: Final answer
    x = 428,940.72

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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.