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Finding the Fourth Proportional to 697,959.95, 962,939.43 and 456,383.93

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Solution

The fourth proportional to 697,959.95, 962,939.43 and 456,383.93 is: 629,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,959.95 : 962,939.43 = 456,383.93 : x
  2. Step 2: Convert to fraction form
    697,959.95/962,939.43 = 456,383.93/x
  3. Step 3: Cross multiply
    697,959.95x = 962,939.43 × 456,383.93
  4. Step 4: Simplify right side
    697,959.95x = 439,470,076,600.66
  5. Step 5: Solve for x
    x = 439,470,076,600.66/697,959.95
  6. Step 6: Final answer
    x = 629,649.42

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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.