Home / 837,307.80-1,255,961.70-830,309.40

Finding the Fourth Proportional to 837,307.80, 1,255,961.70 and 830,309.40

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Solution

The fourth proportional to 837,307.80, 1,255,961.70 and 830,309.40 is: 1,245,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,307.80 : 1,255,961.70 = 830,309.40 : x
  2. Step 2: Convert to fraction form
    837,307.80/1,255,961.70 = 830,309.40/x
  3. Step 3: Cross multiply
    837,307.80x = 1,255,961.70 × 830,309.40
  4. Step 4: Simplify right side
    837,307.80x = 1,042,836,805,549.98
  5. Step 5: Solve for x
    x = 1,042,836,805,549.98/837,307.80
  6. Step 6: Final answer
    x = 1,245,464.10

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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.