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Finding the Fourth Proportional to 637,637.40, 957,233.70 and 632,971.80

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Solution

The fourth proportional to 637,637.40, 957,233.70 and 632,971.80 is: 950,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,637.40 : 957,233.70 = 632,971.80 : x
  2. Step 2: Convert to fraction form
    637,637.40/957,233.70 = 632,971.80/x
  3. Step 3: Cross multiply
    637,637.40x = 957,233.70 × 632,971.80
  4. Step 4: Simplify right side
    637,637.40x = 605,901,938,109.66
  5. Step 5: Solve for x
    x = 605,901,938,109.66/637,637.40
  6. Step 6: Final answer
    x = 950,229.61

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1.5x scale

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.