Home / 889,427.02-1,227,409.80-481,528.96

Finding the Fourth Proportional to 889,427.02, 1,227,409.80 and 481,528.96

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Solution

The fourth proportional to 889,427.02, 1,227,409.80 and 481,528.96 is: 664,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,427.02 : 1,227,409.80 = 481,528.96 : x
  2. Step 2: Convert to fraction form
    889,427.02/1,227,409.80 = 481,528.96/x
  3. Step 3: Cross multiply
    889,427.02x = 1,227,409.80 × 481,528.96
  4. Step 4: Simplify right side
    889,427.02x = 591,033,364,487.81
  5. Step 5: Solve for x
    x = 591,033,364,487.81/889,427.02
  6. Step 6: Final answer
    x = 664,510.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.