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Finding the Fourth Proportional to 484,575.80, 727,554.90 and 367,071.80

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Solution

The fourth proportional to 484,575.80, 727,554.90 and 367,071.80 is: 551,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,575.80 : 727,554.90 = 367,071.80 : x
  2. Step 2: Convert to fraction form
    484,575.80/727,554.90 = 367,071.80/x
  3. Step 3: Cross multiply
    484,575.80x = 727,554.90 × 367,071.80
  4. Step 4: Simplify right side
    484,575.80x = 267,064,886,741.82
  5. Step 5: Solve for x
    x = 267,064,886,741.82/484,575.80
  6. Step 6: Final answer
    x = 551,131.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.