Home / 776,695.38-1,071,771.39-432,505.32

Finding the Fourth Proportional to 776,695.38, 1,071,771.39 and 432,505.32

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Solution

The fourth proportional to 776,695.38, 1,071,771.39 and 432,505.32 is: 596,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,695.38 : 1,071,771.39 = 432,505.32 : x
  2. Step 2: Convert to fraction form
    776,695.38/1,071,771.39 = 432,505.32/x
  3. Step 3: Cross multiply
    776,695.38x = 1,071,771.39 × 432,505.32
  4. Step 4: Simplify right side
    776,695.38x = 463,546,827,998.80
  5. Step 5: Solve for x
    x = 463,546,827,998.80/776,695.38
  6. Step 6: Final answer
    x = 596,819.35

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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.