Home / 669,632.16-1,003,923.12-314,463.36

Finding the Fourth Proportional to 669,632.16, 1,003,923.12 and 314,463.36

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Solution

The fourth proportional to 669,632.16, 1,003,923.12 and 314,463.36 is: 471,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,632.16 : 1,003,923.12 = 314,463.36 : x
  2. Step 2: Convert to fraction form
    669,632.16/1,003,923.12 = 314,463.36/x
  3. Step 3: Cross multiply
    669,632.16x = 1,003,923.12 × 314,463.36
  4. Step 4: Simplify right side
    669,632.16x = 315,697,037,496.88
  5. Step 5: Solve for x
    x = 315,697,037,496.88/669,632.16
  6. Step 6: Final answer
    x = 471,448.44

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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.