Home / 649,919.70-975,455.55-383,346.90

Finding the Fourth Proportional to 649,919.70, 975,455.55 and 383,346.90

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Solution

The fourth proportional to 649,919.70, 975,455.55 and 383,346.90 is: 575,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,919.70 : 975,455.55 = 383,346.90 : x
  2. Step 2: Convert to fraction form
    649,919.70/975,455.55 = 383,346.90/x
  3. Step 3: Cross multiply
    649,919.70x = 975,455.55 × 383,346.90
  4. Step 4: Simplify right side
    649,919.70x = 373,937,861,180.30
  5. Step 5: Solve for x
    x = 373,937,861,180.30/649,919.70
  6. Step 6: Final answer
    x = 575,360.10

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1.5x scale

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.