Home / 780,664.52-1,076,722.62-671,953.84

Finding the Fourth Proportional to 780,664.52, 1,076,722.62 and 671,953.84

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Solution

The fourth proportional to 780,664.52, 1,076,722.62 and 671,953.84 is: 926,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,664.52 : 1,076,722.62 = 671,953.84 : x
  2. Step 2: Convert to fraction form
    780,664.52/1,076,722.62 = 671,953.84/x
  3. Step 3: Cross multiply
    780,664.52x = 1,076,722.62 × 671,953.84
  4. Step 4: Simplify right side
    780,664.52x = 723,507,899,123.86
  5. Step 5: Solve for x
    x = 723,507,899,123.86/780,664.52
  6. Step 6: Final answer
    x = 926,784.66

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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.