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Finding the Fourth Proportional to 659,403.63, 910,025.98 and 369,044.34

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Solution

The fourth proportional to 659,403.63, 910,025.98 and 369,044.34 is: 509,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,403.63 : 910,025.98 = 369,044.34 : x
  2. Step 2: Convert to fraction form
    659,403.63/910,025.98 = 369,044.34/x
  3. Step 3: Cross multiply
    659,403.63x = 910,025.98 × 369,044.34
  4. Step 4: Simplify right side
    659,403.63x = 335,839,937,171.95
  5. Step 5: Solve for x
    x = 335,839,937,171.95/659,403.63
  6. Step 6: Final answer
    x = 509,308.60

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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.