Home / 775,904.42-1,163,857.27-371,001.36

Finding the Fourth Proportional to 775,904.42, 1,163,857.27 and 371,001.36

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Solution

The fourth proportional to 775,904.42, 1,163,857.27 and 371,001.36 is: 556,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,904.42 : 1,163,857.27 = 371,001.36 : x
  2. Step 2: Convert to fraction form
    775,904.42/1,163,857.27 = 371,001.36/x
  3. Step 3: Cross multiply
    775,904.42x = 1,163,857.27 × 371,001.36
  4. Step 4: Simplify right side
    775,904.42x = 431,792,630,015.89
  5. Step 5: Solve for x
    x = 431,792,630,015.89/775,904.42
  6. Step 6: Final answer
    x = 556,502.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.