Home / 648,009.20-971,322.60-248,495.60

Finding the Fourth Proportional to 648,009.20, 971,322.60 and 248,495.60

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Solution

The fourth proportional to 648,009.20, 971,322.60 and 248,495.60 is: 372,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,009.20 : 971,322.60 = 248,495.60 : x
  2. Step 2: Convert to fraction form
    648,009.20/971,322.60 = 248,495.60/x
  3. Step 3: Cross multiply
    648,009.20x = 971,322.60 × 248,495.60
  4. Step 4: Simplify right side
    648,009.20x = 241,369,392,280.56
  5. Step 5: Solve for x
    x = 241,369,392,280.56/648,009.20
  6. Step 6: Final answer
    x = 372,478.34

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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.