Home / 679,996.80-1,017,662.40-624,009.60

Finding the Fourth Proportional to 679,996.80, 1,017,662.40 and 624,009.60

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Solution

The fourth proportional to 679,996.80, 1,017,662.40 and 624,009.60 is: 933,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,996.80 : 1,017,662.40 = 624,009.60 : x
  2. Step 2: Convert to fraction form
    679,996.80/1,017,662.40 = 624,009.60/x
  3. Step 3: Cross multiply
    679,996.80x = 1,017,662.40 × 624,009.60
  4. Step 4: Simplify right side
    679,996.80x = 635,031,107,159.04
  5. Step 5: Solve for x
    x = 635,031,107,159.04/679,996.80
  6. Step 6: Final answer
    x = 933,873.67

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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.