Home / 839,745.17-1,259,618.66-208,658.98

Finding the Fourth Proportional to 839,745.17, 1,259,618.66 and 208,658.98

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Solution

The fourth proportional to 839,745.17, 1,259,618.66 and 208,658.98 is: 312,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,745.17 : 1,259,618.66 = 208,658.98 : x
  2. Step 2: Convert to fraction form
    839,745.17/1,259,618.66 = 208,658.98/x
  3. Step 3: Cross multiply
    839,745.17x = 1,259,618.66 × 208,658.98
  4. Step 4: Simplify right side
    839,745.17x = 262,830,742,157.17
  5. Step 5: Solve for x
    x = 262,830,742,157.17/839,745.17
  6. Step 6: Final answer
    x = 312,988.69

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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.