Home / 767,625.90-1,150,946.16-318,656.67

Finding the Fourth Proportional to 767,625.90, 1,150,946.16 and 318,656.67

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Solution

The fourth proportional to 767,625.90, 1,150,946.16 and 318,656.67 is: 477,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,625.90 : 1,150,946.16 = 318,656.67 : x
  2. Step 2: Convert to fraction form
    767,625.90/1,150,946.16 = 318,656.67/x
  3. Step 3: Cross multiply
    767,625.90x = 1,150,946.16 × 318,656.67
  4. Step 4: Simplify right side
    767,625.90x = 366,756,670,694.89
  5. Step 5: Solve for x
    x = 366,756,670,694.89/767,625.90
  6. Step 6: Final answer
    x = 477,780.48

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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.