Home / 774,935.10-1,161,927.18-301,067.28

Finding the Fourth Proportional to 774,935.10, 1,161,927.18 and 301,067.28

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Solution

The fourth proportional to 774,935.10, 1,161,927.18 and 301,067.28 is: 451,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,935.10 : 1,161,927.18 = 301,067.28 : x
  2. Step 2: Convert to fraction form
    774,935.10/1,161,927.18 = 301,067.28/x
  3. Step 3: Cross multiply
    774,935.10x = 1,161,927.18 × 301,067.28
  4. Step 4: Simplify right side
    774,935.10x = 349,818,255,640.67
  5. Step 5: Solve for x
    x = 349,818,255,640.67/774,935.10
  6. Step 6: Final answer
    x = 451,416.20

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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.