Home / 890,837.32-1,336,113.74-259,603.48

Finding the Fourth Proportional to 890,837.32, 1,336,113.74 and 259,603.48

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Solution

The fourth proportional to 890,837.32, 1,336,113.74 and 259,603.48 is: 389,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,837.32 : 1,336,113.74 = 259,603.48 : x
  2. Step 2: Convert to fraction form
    890,837.32/1,336,113.74 = 259,603.48/x
  3. Step 3: Cross multiply
    890,837.32x = 1,336,113.74 × 259,603.48
  4. Step 4: Simplify right side
    890,837.32x = 346,859,776,579.82
  5. Step 5: Solve for x
    x = 346,859,776,579.82/890,837.32
  6. Step 6: Final answer
    x = 389,363.77

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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.