Home / 641,952.20-885,883.06-355,466.13

Finding the Fourth Proportional to 641,952.20, 885,883.06 and 355,466.13

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Solution

The fourth proportional to 641,952.20, 885,883.06 and 355,466.13 is: 490,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,952.20 : 885,883.06 = 355,466.13 : x
  2. Step 2: Convert to fraction form
    641,952.20/885,883.06 = 355,466.13/x
  3. Step 3: Cross multiply
    641,952.20x = 885,883.06 × 355,466.13
  4. Step 4: Simplify right side
    641,952.20x = 314,901,422,970.76
  5. Step 5: Solve for x
    x = 314,901,422,970.76/641,952.20
  6. Step 6: Final answer
    x = 490,537.18

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1.5x scale

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.