Home / 780,369.84-1,076,903.88-548,123.04

Finding the Fourth Proportional to 780,369.84, 1,076,903.88 and 548,123.04

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Solution

The fourth proportional to 780,369.84, 1,076,903.88 and 548,123.04 is: 756,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,369.84 : 1,076,903.88 = 548,123.04 : x
  2. Step 2: Convert to fraction form
    780,369.84/1,076,903.88 = 548,123.04/x
  3. Step 3: Cross multiply
    780,369.84x = 1,076,903.88 × 548,123.04
  4. Step 4: Simplify right side
    780,369.84x = 590,275,828,493.40
  5. Step 5: Solve for x
    x = 590,275,828,493.40/780,369.84
  6. Step 6: Final answer
    x = 756,405.23

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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.