Home / 649,318.40-973,977.60-549,785.60

Finding the Fourth Proportional to 649,318.40, 973,977.60 and 549,785.60

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Solution

The fourth proportional to 649,318.40, 973,977.60 and 549,785.60 is: 824,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,318.40 : 973,977.60 = 549,785.60 : x
  2. Step 2: Convert to fraction form
    649,318.40/973,977.60 = 549,785.60/x
  3. Step 3: Cross multiply
    649,318.40x = 973,977.60 × 549,785.60
  4. Step 4: Simplify right side
    649,318.40x = 535,478,859,202.56
  5. Step 5: Solve for x
    x = 535,478,859,202.56/649,318.40
  6. Step 6: Final answer
    x = 824,678.40

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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.