Home / 439,946.64-607,110-238,738.32

Finding the Fourth Proportional to 439,946.64, 607,110 and 238,738.32

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Solution

The fourth proportional to 439,946.64, 607,110 and 238,738.32 is: 329,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,946.64 : 607,110 = 238,738.32 : x
  2. Step 2: Convert to fraction form
    439,946.64/607,110 = 238,738.32/x
  3. Step 3: Cross multiply
    439,946.64x = 607,110 × 238,738.32
  4. Step 4: Simplify right side
    439,946.64x = 144,940,421,455.20
  5. Step 5: Solve for x
    x = 144,940,421,455.20/439,946.64
  6. Step 6: Final answer
    x = 329,450.00

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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.