Home / 439,929.07-607,102.07-238,725.07

Finding the Fourth Proportional to 439,929.07, 607,102.07 and 238,725.07

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Solution

The fourth proportional to 439,929.07, 607,102.07 and 238,725.07 is: 329,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,929.07 : 607,102.07 = 238,725.07 : x
  2. Step 2: Convert to fraction form
    439,929.07/607,102.07 = 238,725.07/x
  3. Step 3: Cross multiply
    439,929.07x = 607,102.07 × 238,725.07
  4. Step 4: Simplify right side
    439,929.07x = 144,930,483,236.95
  5. Step 5: Solve for x
    x = 144,930,483,236.95/439,929.07
  6. Step 6: Final answer
    x = 329,440.57

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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.