Home / 780,069.33-1,076,475.06-435,908.10

Finding the Fourth Proportional to 780,069.33, 1,076,475.06 and 435,908.10

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Solution

The fourth proportional to 780,069.33, 1,076,475.06 and 435,908.10 is: 601,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,069.33 : 1,076,475.06 = 435,908.10 : x
  2. Step 2: Convert to fraction form
    780,069.33/1,076,475.06 = 435,908.10/x
  3. Step 3: Cross multiply
    780,069.33x = 1,076,475.06 × 435,908.10
  4. Step 4: Simplify right side
    780,069.33x = 469,244,198,101.99
  5. Step 5: Solve for x
    x = 469,244,198,101.99/780,069.33
  6. Step 6: Final answer
    x = 601,541.66

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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.