Home / 426,738.36-588,897.72-245,485.20

Finding the Fourth Proportional to 426,738.36, 588,897.72 and 245,485.20

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Solution

The fourth proportional to 426,738.36, 588,897.72 and 245,485.20 is: 338,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,738.36 : 588,897.72 = 245,485.20 : x
  2. Step 2: Convert to fraction form
    426,738.36/588,897.72 = 245,485.20/x
  3. Step 3: Cross multiply
    426,738.36x = 588,897.72 × 245,485.20
  4. Step 4: Simplify right side
    426,738.36x = 144,565,674,573.74
  5. Step 5: Solve for x
    x = 144,565,674,573.74/426,738.36
  6. Step 6: Final answer
    x = 338,768.88

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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.