Home / 948,271.88-1,309,693.03-637,634.05

Finding the Fourth Proportional to 948,271.88, 1,309,693.03 and 637,634.05

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Solution

The fourth proportional to 948,271.88, 1,309,693.03 and 637,634.05 is: 880,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,271.88 : 1,309,693.03 = 637,634.05 : x
  2. Step 2: Convert to fraction form
    948,271.88/1,309,693.03 = 637,634.05/x
  3. Step 3: Cross multiply
    948,271.88x = 1,309,693.03 × 637,634.05
  4. Step 4: Simplify right side
    948,271.88x = 835,104,866,107.35
  5. Step 5: Solve for x
    x = 835,104,866,107.35/948,271.88
  6. Step 6: Final answer
    x = 880,659.74

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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.