Home / 501,977.12-692,739.60-275,623.52

Finding the Fourth Proportional to 501,977.12, 692,739.60 and 275,623.52

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Solution

The fourth proportional to 501,977.12, 692,739.60 and 275,623.52 is: 380,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,977.12 : 692,739.60 = 275,623.52 : x
  2. Step 2: Convert to fraction form
    501,977.12/692,739.60 = 275,623.52/x
  3. Step 3: Cross multiply
    501,977.12x = 692,739.60 × 275,623.52
  4. Step 4: Simplify right side
    501,977.12x = 190,935,326,995.39
  5. Step 5: Solve for x
    x = 190,935,326,995.39/501,977.12
  6. Step 6: Final answer
    x = 380,366.59

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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.