Home / 976,592.40-1,347,666.12-540,991.80

Finding the Fourth Proportional to 976,592.40, 1,347,666.12 and 540,991.80

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Solution

The fourth proportional to 976,592.40, 1,347,666.12 and 540,991.80 is: 746,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,592.40 : 1,347,666.12 = 540,991.80 : x
  2. Step 2: Convert to fraction form
    976,592.40/1,347,666.12 = 540,991.80/x
  3. Step 3: Cross multiply
    976,592.40x = 1,347,666.12 × 540,991.80
  4. Step 4: Simplify right side
    976,592.40x = 729,076,320,057.82
  5. Step 5: Solve for x
    x = 729,076,320,057.82/976,592.40
  6. Step 6: Final answer
    x = 746,551.29

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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.