Home / 476,315.46-657,318.11-261,457.29

Finding the Fourth Proportional to 476,315.46, 657,318.11 and 261,457.29

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Solution

The fourth proportional to 476,315.46, 657,318.11 and 261,457.29 is: 360,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,315.46 : 657,318.11 = 261,457.29 : x
  2. Step 2: Convert to fraction form
    476,315.46/657,318.11 = 261,457.29/x
  3. Step 3: Cross multiply
    476,315.46x = 657,318.11 × 261,457.29
  4. Step 4: Simplify right side
    476,315.46x = 171,860,610,401.24
  5. Step 5: Solve for x
    x = 171,860,610,401.24/476,315.46
  6. Step 6: Final answer
    x = 360,812.58

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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.