Home / 790,923.15-1,186,440.06-317,608.50

Finding the Fourth Proportional to 790,923.15, 1,186,440.06 and 317,608.50

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Solution

The fourth proportional to 790,923.15, 1,186,440.06 and 317,608.50 is: 476,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,923.15 : 1,186,440.06 = 317,608.50 : x
  2. Step 2: Convert to fraction form
    790,923.15/1,186,440.06 = 317,608.50/x
  3. Step 3: Cross multiply
    790,923.15x = 1,186,440.06 × 317,608.50
  4. Step 4: Simplify right side
    790,923.15x = 376,823,447,796.51
  5. Step 5: Solve for x
    x = 376,823,447,796.51/790,923.15
  6. Step 6: Final answer
    x = 476,434.97

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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.