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Finding the Fourth Proportional to 659,457.96, 910,100.91 and 369,098.61

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Solution

The fourth proportional to 659,457.96, 910,100.91 and 369,098.61 is: 509,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,457.96 : 910,100.91 = 369,098.61 : x
  2. Step 2: Convert to fraction form
    659,457.96/910,100.91 = 369,098.61/x
  3. Step 3: Cross multiply
    659,457.96x = 910,100.91 × 369,098.61
  4. Step 4: Simplify right side
    659,457.96x = 335,916,980,840.74
  5. Step 5: Solve for x
    x = 335,916,980,840.74/659,457.96
  6. Step 6: Final answer
    x = 509,383.47

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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.