Home / 942,232.56-1,412,811.72-643,075.28

Finding the Fourth Proportional to 942,232.56, 1,412,811.72 and 643,075.28

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Solution

The fourth proportional to 942,232.56, 1,412,811.72 and 643,075.28 is: 964,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,232.56 : 1,412,811.72 = 643,075.28 : x
  2. Step 2: Convert to fraction form
    942,232.56/1,412,811.72 = 643,075.28/x
  3. Step 3: Cross multiply
    942,232.56x = 1,412,811.72 × 643,075.28
  4. Step 4: Simplify right side
    942,232.56x = 908,544,292,426.28
  5. Step 5: Solve for x
    x = 908,544,292,426.28/942,232.56
  6. Step 6: Final answer
    x = 964,246.33

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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.