Home / 780,099.36-1,076,529.60-440,560.32

Finding the Fourth Proportional to 780,099.36, 1,076,529.60 and 440,560.32

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Solution

The fourth proportional to 780,099.36, 1,076,529.60 and 440,560.32 is: 607,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,099.36 : 1,076,529.60 = 440,560.32 : x
  2. Step 2: Convert to fraction form
    780,099.36/1,076,529.60 = 440,560.32/x
  3. Step 3: Cross multiply
    780,099.36x = 1,076,529.60 × 440,560.32
  4. Step 4: Simplify right side
    780,099.36x = 474,276,225,065.47
  5. Step 5: Solve for x
    x = 474,276,225,065.47/780,099.36
  6. Step 6: Final answer
    x = 607,969.00

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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.