Home / 785,012.98-1,177,755.85-245,247.45

Finding the Fourth Proportional to 785,012.98, 1,177,755.85 and 245,247.45

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Solution

The fourth proportional to 785,012.98, 1,177,755.85 and 245,247.45 is: 367,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,012.98 : 1,177,755.85 = 245,247.45 : x
  2. Step 2: Convert to fraction form
    785,012.98/1,177,755.85 = 245,247.45/x
  3. Step 3: Cross multiply
    785,012.98x = 1,177,755.85 × 245,247.45
  4. Step 4: Simplify right side
    785,012.98x = 288,841,617,708.85
  5. Step 5: Solve for x
    x = 288,841,617,708.85/785,012.98
  6. Step 6: Final answer
    x = 367,945.02

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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.