Home / 790,603.13-1,186,126.40-317,620.64

Finding the Fourth Proportional to 790,603.13, 1,186,126.40 and 317,620.64

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Solution

The fourth proportional to 790,603.13, 1,186,126.40 and 317,620.64 is: 476,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,603.13 : 1,186,126.40 = 317,620.64 : x
  2. Step 2: Convert to fraction form
    790,603.13/1,186,126.40 = 317,620.64/x
  3. Step 3: Cross multiply
    790,603.13x = 1,186,126.40 × 317,620.64
  4. Step 4: Simplify right side
    790,603.13x = 376,738,221,152.32
  5. Step 5: Solve for x
    x = 376,738,221,152.32/790,603.13
  6. Step 6: Final answer
    x = 476,520.03

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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.