Home / 901,473.48-1,243,986.12-493,497.14

Finding the Fourth Proportional to 901,473.48, 1,243,986.12 and 493,497.14

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Solution

The fourth proportional to 901,473.48, 1,243,986.12 and 493,497.14 is: 681,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,473.48 : 1,243,986.12 = 493,497.14 : x
  2. Step 2: Convert to fraction form
    901,473.48/1,243,986.12 = 493,497.14/x
  3. Step 3: Cross multiply
    901,473.48x = 1,243,986.12 × 493,497.14
  4. Step 4: Simplify right side
    901,473.48x = 613,903,586,199.77
  5. Step 5: Solve for x
    x = 613,903,586,199.77/901,473.48
  6. Step 6: Final answer
    x = 681,000.16

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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.