Home / 882,868.80-1,324,994.40-409,612.80

Finding the Fourth Proportional to 882,868.80, 1,324,994.40 and 409,612.80

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Solution

The fourth proportional to 882,868.80, 1,324,994.40 and 409,612.80 is: 614,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,868.80 : 1,324,994.40 = 409,612.80 : x
  2. Step 2: Convert to fraction form
    882,868.80/1,324,994.40 = 409,612.80/x
  3. Step 3: Cross multiply
    882,868.80x = 1,324,994.40 × 409,612.80
  4. Step 4: Simplify right side
    882,868.80x = 542,734,666,168.32
  5. Step 5: Solve for x
    x = 542,734,666,168.32/882,868.80
  6. Step 6: Final answer
    x = 614,739.89

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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.