Home / 903,323.54-1,355,730.78-454,172.06

Finding the Fourth Proportional to 903,323.54, 1,355,730.78 and 454,172.06

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Solution

The fourth proportional to 903,323.54, 1,355,730.78 and 454,172.06 is: 681,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,323.54 : 1,355,730.78 = 454,172.06 : x
  2. Step 2: Convert to fraction form
    903,323.54/1,355,730.78 = 454,172.06/x
  3. Step 3: Cross multiply
    903,323.54x = 1,355,730.78 × 454,172.06
  4. Step 4: Simplify right side
    903,323.54x = 615,735,041,158.01
  5. Step 5: Solve for x
    x = 615,735,041,158.01/903,323.54
  6. Step 6: Final answer
    x = 681,632.90

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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.