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Finding the Fourth Proportional to 657,636.30, 907,447.05 and 367,212.42

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Solution

The fourth proportional to 657,636.30, 907,447.05 and 367,212.42 is: 506,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,636.30 : 907,447.05 = 367,212.42 : x
  2. Step 2: Convert to fraction form
    657,636.30/907,447.05 = 367,212.42/x
  3. Step 3: Cross multiply
    657,636.30x = 907,447.05 × 367,212.42
  4. Step 4: Simplify right side
    657,636.30x = 333,225,827,252.36
  5. Step 5: Solve for x
    x = 333,225,827,252.36/657,636.30
  6. Step 6: Final answer
    x = 506,702.30

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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.