Home / 807,620.16-1,114,439.64-476,424.42

Finding the Fourth Proportional to 807,620.16, 1,114,439.64 and 476,424.42

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Solution

The fourth proportional to 807,620.16, 1,114,439.64 and 476,424.42 is: 657,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,620.16 : 1,114,439.64 = 476,424.42 : x
  2. Step 2: Convert to fraction form
    807,620.16/1,114,439.64 = 476,424.42/x
  3. Step 3: Cross multiply
    807,620.16x = 1,114,439.64 × 476,424.42
  4. Step 4: Simplify right side
    807,620.16x = 530,946,259,112.01
  5. Step 5: Solve for x
    x = 530,946,259,112.01/807,620.16
  6. Step 6: Final answer
    x = 657,420.76

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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.