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Finding the Fourth Proportional to 657,302.94, 907,119.54 and 370,718.46

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Solution

The fourth proportional to 657,302.94, 907,119.54 and 370,718.46 is: 511,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,302.94 : 907,119.54 = 370,718.46 : x
  2. Step 2: Convert to fraction form
    657,302.94/907,119.54 = 370,718.46/x
  3. Step 3: Cross multiply
    657,302.94x = 907,119.54 × 370,718.46
  4. Step 4: Simplify right side
    657,302.94x = 336,285,958,904.71
  5. Step 5: Solve for x
    x = 336,285,958,904.71/657,302.94
  6. Step 6: Final answer
    x = 511,614.87

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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.