Home / 785,362.52-1,083,770.52-479,949.68

Finding the Fourth Proportional to 785,362.52, 1,083,770.52 and 479,949.68

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Solution

The fourth proportional to 785,362.52, 1,083,770.52 and 479,949.68 is: 662,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,362.52 : 1,083,770.52 = 479,949.68 : x
  2. Step 2: Convert to fraction form
    785,362.52/1,083,770.52 = 479,949.68/x
  3. Step 3: Cross multiply
    785,362.52x = 1,083,770.52 × 479,949.68
  4. Step 4: Simplify right side
    785,362.52x = 520,155,314,267.43
  5. Step 5: Solve for x
    x = 520,155,314,267.43/785,362.52
  6. Step 6: Final answer
    x = 662,312.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.