Home / 776,755.28-1,071,900.52-432,591.08

Finding the Fourth Proportional to 776,755.28, 1,071,900.52 and 432,591.08

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Solution

The fourth proportional to 776,755.28, 1,071,900.52 and 432,591.08 is: 596,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,755.28 : 1,071,900.52 = 432,591.08 : x
  2. Step 2: Convert to fraction form
    776,755.28/1,071,900.52 = 432,591.08/x
  3. Step 3: Cross multiply
    776,755.28x = 1,071,900.52 × 432,591.08
  4. Step 4: Simplify right side
    776,755.28x = 463,694,603,599.36
  5. Step 5: Solve for x
    x = 463,694,603,599.36/776,755.28
  6. Step 6: Final answer
    x = 596,963.57

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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.