Home / 631,042.02-870,873.27-344,588.70

Finding the Fourth Proportional to 631,042.02, 870,873.27 and 344,588.70

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Solution

The fourth proportional to 631,042.02, 870,873.27 and 344,588.70 is: 475,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,042.02 : 870,873.27 = 344,588.70 : x
  2. Step 2: Convert to fraction form
    631,042.02/870,873.27 = 344,588.70/x
  3. Step 3: Cross multiply
    631,042.02x = 870,873.27 × 344,588.70
  4. Step 4: Simplify right side
    631,042.02x = 300,093,087,974.05
  5. Step 5: Solve for x
    x = 300,093,087,974.05/631,042.02
  6. Step 6: Final answer
    x = 475,551.67

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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.