Home / 657,941.04-908,768.30-476,365.37

Finding the Fourth Proportional to 657,941.04, 908,768.30 and 476,365.37

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Solution

The fourth proportional to 657,941.04, 908,768.30 and 476,365.37 is: 657,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,941.04 : 908,768.30 = 476,365.37 : x
  2. Step 2: Convert to fraction form
    657,941.04/908,768.30 = 476,365.37/x
  3. Step 3: Cross multiply
    657,941.04x = 908,768.30 × 476,365.37
  4. Step 4: Simplify right side
    657,941.04x = 432,905,740,548.10
  5. Step 5: Solve for x
    x = 432,905,740,548.10/657,941.04
  6. Step 6: Final answer
    x = 657,970.42

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Double scale
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Similar ratio
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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.