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Finding the Fourth Proportional to 657,308.94, 907,127.82 and 370,724.46

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Solution

The fourth proportional to 657,308.94, 907,127.82 and 370,724.46 is: 511,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,308.94 : 907,127.82 = 370,724.46 : x
  2. Step 2: Convert to fraction form
    657,308.94/907,127.82 = 370,724.46/x
  3. Step 3: Cross multiply
    657,308.94x = 907,127.82 × 370,724.46
  4. Step 4: Simplify right side
    657,308.94x = 336,294,471,220.48
  5. Step 5: Solve for x
    x = 336,294,471,220.48/657,308.94
  6. Step 6: Final answer
    x = 511,623.15

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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.