Home / 824,710.70-1,138,131.58-462,121.14

Finding the Fourth Proportional to 824,710.70, 1,138,131.58 and 462,121.14

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Solution

The fourth proportional to 824,710.70, 1,138,131.58 and 462,121.14 is: 637,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,710.70 : 1,138,131.58 = 462,121.14 : x
  2. Step 2: Convert to fraction form
    824,710.70/1,138,131.58 = 462,121.14/x
  3. Step 3: Cross multiply
    824,710.70x = 1,138,131.58 × 462,121.14
  4. Step 4: Simplify right side
    824,710.70x = 525,954,663,219.60
  5. Step 5: Solve for x
    x = 525,954,663,219.60/824,710.70
  6. Step 6: Final answer
    x = 637,744.44

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Double scale
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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.