Home / 923,079.40-1,384,619.10-425,415.40

Finding the Fourth Proportional to 923,079.40, 1,384,619.10 and 425,415.40

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Solution

The fourth proportional to 923,079.40, 1,384,619.10 and 425,415.40 is: 638,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,079.40 : 1,384,619.10 = 425,415.40 : x
  2. Step 2: Convert to fraction form
    923,079.40/1,384,619.10 = 425,415.40/x
  3. Step 3: Cross multiply
    923,079.40x = 1,384,619.10 × 425,415.40
  4. Step 4: Simplify right side
    923,079.40x = 589,038,288,274.14
  5. Step 5: Solve for x
    x = 589,038,288,274.14/923,079.40
  6. Step 6: Final answer
    x = 638,123.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.