Home / 718,708.50-1,076,997.74-291,724.77

Finding the Fourth Proportional to 718,708.50, 1,076,997.74 and 291,724.77

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Solution

The fourth proportional to 718,708.50, 1,076,997.74 and 291,724.77 is: 437,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,708.50 : 1,076,997.74 = 291,724.77 : x
  2. Step 2: Convert to fraction form
    718,708.50/1,076,997.74 = 291,724.77/x
  3. Step 3: Cross multiply
    718,708.50x = 1,076,997.74 × 291,724.77
  4. Step 4: Simplify right side
    718,708.50x = 314,186,917,627.36
  5. Step 5: Solve for x
    x = 314,186,917,627.36/718,708.50
  6. Step 6: Final answer
    x = 437,154.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.