Home / 438,029.48-604,479.84-247,042.28

Finding the Fourth Proportional to 438,029.48, 604,479.84 and 247,042.28

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Solution

The fourth proportional to 438,029.48, 604,479.84 and 247,042.28 is: 340,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,029.48 : 604,479.84 = 247,042.28 : x
  2. Step 2: Convert to fraction form
    438,029.48/604,479.84 = 247,042.28/x
  3. Step 3: Cross multiply
    438,029.48x = 604,479.84 × 247,042.28
  4. Step 4: Simplify right side
    438,029.48x = 149,332,077,887.64
  5. Step 5: Solve for x
    x = 149,332,077,887.64/438,029.48
  6. Step 6: Final answer
    x = 340,917.87

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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.