Home / 721,052.17-1,081,495.63-188,624.59

Finding the Fourth Proportional to 721,052.17, 1,081,495.63 and 188,624.59

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Solution

The fourth proportional to 721,052.17, 1,081,495.63 and 188,624.59 is: 282,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,052.17 : 1,081,495.63 = 188,624.59 : x
  2. Step 2: Convert to fraction form
    721,052.17/1,081,495.63 = 188,624.59/x
  3. Step 3: Cross multiply
    721,052.17x = 1,081,495.63 × 188,624.59
  4. Step 4: Simplify right side
    721,052.17x = 203,996,663,916.50
  5. Step 5: Solve for x
    x = 203,996,663,916.50/721,052.17
  6. Step 6: Final answer
    x = 282,915.26

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1.5x scale

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.