Home / 1,146.30-1,719.60-530.14

Finding the Fourth Proportional to 1,146.30, 1,719.60 and 530.14

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Solution

The fourth proportional to 1,146.30, 1,719.60 and 530.14 is: 795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.30 : 1,719.60 = 530.14 : x
  2. Step 2: Convert to fraction form
    1,146.30/1,719.60 = 530.14/x
  3. Step 3: Cross multiply
    1,146.30x = 1,719.60 × 530.14
  4. Step 4: Simplify right side
    1,146.30x = 911,628.74
  5. Step 5: Solve for x
    x = 911,628.74/1,146.30
  6. Step 6: Final answer
    x = 795.28

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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.