Home / 648,266.80-971,525.40-461,059.60

Finding the Fourth Proportional to 648,266.80, 971,525.40 and 461,059.60

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Solution

The fourth proportional to 648,266.80, 971,525.40 and 461,059.60 is: 690,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,266.80 : 971,525.40 = 461,059.60 : x
  2. Step 2: Convert to fraction form
    648,266.80/971,525.40 = 461,059.60/x
  3. Step 3: Cross multiply
    648,266.80x = 971,525.40 × 461,059.60
  4. Step 4: Simplify right side
    648,266.80x = 447,931,112,313.84
  5. Step 5: Solve for x
    x = 447,931,112,313.84/648,266.80
  6. Step 6: Final answer
    x = 690,967.23

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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.