Home / 776,178.72-1,071,091.92-432,032.64

Finding the Fourth Proportional to 776,178.72, 1,071,091.92 and 432,032.64

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Solution

The fourth proportional to 776,178.72, 1,071,091.92 and 432,032.64 is: 596,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,178.72 : 1,071,091.92 = 432,032.64 : x
  2. Step 2: Convert to fraction form
    776,178.72/1,071,091.92 = 432,032.64/x
  3. Step 3: Cross multiply
    776,178.72x = 1,071,091.92 × 432,032.64
  4. Step 4: Simplify right side
    776,178.72x = 462,746,669,880.27
  5. Step 5: Solve for x
    x = 462,746,669,880.27/776,178.72
  6. Step 6: Final answer
    x = 596,185.72

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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.