Home / 470,607.36-649,442.27-255,747.46

Finding the Fourth Proportional to 470,607.36, 649,442.27 and 255,747.46

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Solution

The fourth proportional to 470,607.36, 649,442.27 and 255,747.46 is: 352,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,607.36 : 649,442.27 = 255,747.46 : x
  2. Step 2: Convert to fraction form
    470,607.36/649,442.27 = 255,747.46/x
  3. Step 3: Cross multiply
    470,607.36x = 649,442.27 × 255,747.46
  4. Step 4: Simplify right side
    470,607.36x = 166,093,210,969.13
  5. Step 5: Solve for x
    x = 166,093,210,969.13/470,607.36
  6. Step 6: Final answer
    x = 352,933.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.