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Finding the Fourth Proportional to 898,808.82, 1,346,678.68 and 494,339.57

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Solution

The fourth proportional to 898,808.82, 1,346,678.68 and 494,339.57 is: 740,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,808.82 : 1,346,678.68 = 494,339.57 : x
  2. Step 2: Convert to fraction form
    898,808.82/1,346,678.68 = 494,339.57/x
  3. Step 3: Cross multiply
    898,808.82x = 1,346,678.68 × 494,339.57
  4. Step 4: Simplify right side
    898,808.82x = 665,716,559,599.37
  5. Step 5: Solve for x
    x = 665,716,559,599.37/898,808.82
  6. Step 6: Final answer
    x = 740,665.36

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Double scale
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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.