Home / 560,026.44-772,835.07-305,377.63

Finding the Fourth Proportional to 560,026.44, 772,835.07 and 305,377.63

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Solution

The fourth proportional to 560,026.44, 772,835.07 and 305,377.63 is: 421,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,026.44 : 772,835.07 = 305,377.63 : x
  2. Step 2: Convert to fraction form
    560,026.44/772,835.07 = 305,377.63/x
  3. Step 3: Cross multiply
    560,026.44x = 772,835.07 × 305,377.63
  4. Step 4: Simplify right side
    560,026.44x = 236,006,541,270.56
  5. Step 5: Solve for x
    x = 236,006,541,270.56/560,026.44
  6. Step 6: Final answer
    x = 421,420.36

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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.