Home / 427,477.10-589,935.76-236,487.20

Finding the Fourth Proportional to 427,477.10, 589,935.76 and 236,487.20

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Solution

The fourth proportional to 427,477.10, 589,935.76 and 236,487.20 is: 326,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,477.10 : 589,935.76 = 236,487.20 : x
  2. Step 2: Convert to fraction form
    427,477.10/589,935.76 = 236,487.20/x
  3. Step 3: Cross multiply
    427,477.10x = 589,935.76 × 236,487.20
  4. Step 4: Simplify right side
    427,477.10x = 139,512,252,521.38
  5. Step 5: Solve for x
    x = 139,512,252,521.38/427,477.10
  6. Step 6: Final answer
    x = 326,361.94

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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.