Home / 649,207.20-974,102.40-294,038.40

Finding the Fourth Proportional to 649,207.20, 974,102.40 and 294,038.40

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Solution

The fourth proportional to 649,207.20, 974,102.40 and 294,038.40 is: 441,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,207.20 : 974,102.40 = 294,038.40 : x
  2. Step 2: Convert to fraction form
    649,207.20/974,102.40 = 294,038.40/x
  3. Step 3: Cross multiply
    649,207.20x = 974,102.40 × 294,038.40
  4. Step 4: Simplify right side
    649,207.20x = 286,423,511,132.16
  5. Step 5: Solve for x
    x = 286,423,511,132.16/649,207.20
  6. Step 6: Final answer
    x = 441,189.67

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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.