Home / 977,892.89-1,465,991.46-378,441.45

Finding the Fourth Proportional to 977,892.89, 1,465,991.46 and 378,441.45

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Solution

The fourth proportional to 977,892.89, 1,465,991.46 and 378,441.45 is: 567,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,892.89 : 1,465,991.46 = 378,441.45 : x
  2. Step 2: Convert to fraction form
    977,892.89/1,465,991.46 = 378,441.45/x
  3. Step 3: Cross multiply
    977,892.89x = 1,465,991.46 × 378,441.45
  4. Step 4: Simplify right side
    977,892.89x = 554,791,933,810.02
  5. Step 5: Solve for x
    x = 554,791,933,810.02/977,892.89
  6. Step 6: Final answer
    x = 567,334.05

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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.