Home / 958,205.20-1,437,307.80-485,813.20

Finding the Fourth Proportional to 958,205.20, 1,437,307.80 and 485,813.20

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Solution

The fourth proportional to 958,205.20, 1,437,307.80 and 485,813.20 is: 728,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,205.20 : 1,437,307.80 = 485,813.20 : x
  2. Step 2: Convert to fraction form
    958,205.20/1,437,307.80 = 485,813.20/x
  3. Step 3: Cross multiply
    958,205.20x = 1,437,307.80 × 485,813.20
  4. Step 4: Simplify right side
    958,205.20x = 698,263,101,702.96
  5. Step 5: Solve for x
    x = 698,263,101,702.96/958,205.20
  6. Step 6: Final answer
    x = 728,719.80

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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.