Home / 859,074.84-1,288,604.06-522,208.52

Finding the Fourth Proportional to 859,074.84, 1,288,604.06 and 522,208.52

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Solution

The fourth proportional to 859,074.84, 1,288,604.06 and 522,208.52 is: 783,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,074.84 : 1,288,604.06 = 522,208.52 : x
  2. Step 2: Convert to fraction form
    859,074.84/1,288,604.06 = 522,208.52/x
  3. Step 3: Cross multiply
    859,074.84x = 1,288,604.06 × 522,208.52
  4. Step 4: Simplify right side
    859,074.84x = 672,920,019,038.59
  5. Step 5: Solve for x
    x = 672,920,019,038.59/859,074.84
  6. Step 6: Final answer
    x = 783,307.80

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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.