Home / 1,056.45-1,457.58-614.27

Finding the Fourth Proportional to 1,056.45, 1,457.58 and 614.27

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Solution

The fourth proportional to 1,056.45, 1,457.58 and 614.27 is: 847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.45 : 1,457.58 = 614.27 : x
  2. Step 2: Convert to fraction form
    1,056.45/1,457.58 = 614.27/x
  3. Step 3: Cross multiply
    1,056.45x = 1,457.58 × 614.27
  4. Step 4: Simplify right side
    1,056.45x = 895,347.67
  5. Step 5: Solve for x
    x = 895,347.67/1,056.45
  6. Step 6: Final answer
    x = 847.51

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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.