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Finding the Fourth Proportional to 476,554.98, 714,622.50 and 223,907.34

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Solution

The fourth proportional to 476,554.98, 714,622.50 and 223,907.34 is: 335,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,554.98 : 714,622.50 = 223,907.34 : x
  2. Step 2: Convert to fraction form
    476,554.98/714,622.50 = 223,907.34/x
  3. Step 3: Cross multiply
    476,554.98x = 714,622.50 × 223,907.34
  4. Step 4: Simplify right side
    476,554.98x = 160,009,223,079.15
  5. Step 5: Solve for x
    x = 160,009,223,079.15/476,554.98
  6. Step 6: Final answer
    x = 335,762.36

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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.