Home / 649,264.40-973,234.20-438,923.60

Finding the Fourth Proportional to 649,264.40, 973,234.20 and 438,923.60

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Solution

The fourth proportional to 649,264.40, 973,234.20 and 438,923.60 is: 657,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,264.40 : 973,234.20 = 438,923.60 : x
  2. Step 2: Convert to fraction form
    649,264.40/973,234.20 = 438,923.60/x
  3. Step 3: Cross multiply
    649,264.40x = 973,234.20 × 438,923.60
  4. Step 4: Simplify right side
    649,264.40x = 427,175,458,707.12
  5. Step 5: Solve for x
    x = 427,175,458,707.12/649,264.40
  6. Step 6: Final answer
    x = 657,937.60

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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.