Home / 715,120.03-1,072,663.44-360,038.71

Finding the Fourth Proportional to 715,120.03, 1,072,663.44 and 360,038.71

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Solution

The fourth proportional to 715,120.03, 1,072,663.44 and 360,038.71 is: 540,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,120.03 : 1,072,663.44 = 360,038.71 : x
  2. Step 2: Convert to fraction form
    715,120.03/1,072,663.44 = 360,038.71/x
  3. Step 3: Cross multiply
    715,120.03x = 1,072,663.44 × 360,038.71
  4. Step 4: Simplify right side
    715,120.03x = 386,200,361,201.76
  5. Step 5: Solve for x
    x = 386,200,361,201.76/715,120.03
  6. Step 6: Final answer
    x = 540,049.70

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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.