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Finding the Fourth Proportional to 477,210.88, 714,258.69 and 350,817.67

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Solution

The fourth proportional to 477,210.88, 714,258.69 and 350,817.67 is: 525,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,210.88 : 714,258.69 = 350,817.67 : x
  2. Step 2: Convert to fraction form
    477,210.88/714,258.69 = 350,817.67/x
  3. Step 3: Cross multiply
    477,210.88x = 714,258.69 × 350,817.67
  4. Step 4: Simplify right side
    477,210.88x = 250,574,569,403.05
  5. Step 5: Solve for x
    x = 250,574,569,403.05/477,210.88
  6. Step 6: Final answer
    x = 525,081.43

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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.