Home / 976,887.20-1,347,411.48-609,549.28

Finding the Fourth Proportional to 976,887.20, 1,347,411.48 and 609,549.28

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Solution

The fourth proportional to 976,887.20, 1,347,411.48 and 609,549.28 is: 840,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,887.20 : 1,347,411.48 = 609,549.28 : x
  2. Step 2: Convert to fraction form
    976,887.20/1,347,411.48 = 609,549.28/x
  3. Step 3: Cross multiply
    976,887.20x = 1,347,411.48 × 609,549.28
  4. Step 4: Simplify right side
    976,887.20x = 821,313,697,497.73
  5. Step 5: Solve for x
    x = 821,313,697,497.73/976,887.20
  6. Step 6: Final answer
    x = 840,745.68

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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.