Home / 626,727.40-940,091.10-477,428.20

Finding the Fourth Proportional to 626,727.40, 940,091.10 and 477,428.20

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Solution

The fourth proportional to 626,727.40, 940,091.10 and 477,428.20 is: 716,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,727.40 : 940,091.10 = 477,428.20 : x
  2. Step 2: Convert to fraction form
    626,727.40/940,091.10 = 477,428.20/x
  3. Step 3: Cross multiply
    626,727.40x = 940,091.10 × 477,428.20
  4. Step 4: Simplify right side
    626,727.40x = 448,826,001,709.02
  5. Step 5: Solve for x
    x = 448,826,001,709.02/626,727.40
  6. Step 6: Final answer
    x = 716,142.30

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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.