Home / 849,235.50-1,171,977.26-486,729.32

Finding the Fourth Proportional to 849,235.50, 1,171,977.26 and 486,729.32

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Solution

The fourth proportional to 849,235.50, 1,171,977.26 and 486,729.32 is: 671,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,235.50 : 1,171,977.26 = 486,729.32 : x
  2. Step 2: Convert to fraction form
    849,235.50/1,171,977.26 = 486,729.32/x
  3. Step 3: Cross multiply
    849,235.50x = 1,171,977.26 × 486,729.32
  4. Step 4: Simplify right side
    849,235.50x = 570,435,686,521.73
  5. Step 5: Solve for x
    x = 570,435,686,521.73/849,235.50
  6. Step 6: Final answer
    x = 671,704.95

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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.