Home / 918,049.80-1,377,293.40-444,345.60

Finding the Fourth Proportional to 918,049.80, 1,377,293.40 and 444,345.60

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Solution

The fourth proportional to 918,049.80, 1,377,293.40 and 444,345.60 is: 666,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,049.80 : 1,377,293.40 = 444,345.60 : x
  2. Step 2: Convert to fraction form
    918,049.80/1,377,293.40 = 444,345.60/x
  3. Step 3: Cross multiply
    918,049.80x = 1,377,293.40 × 444,345.60
  4. Step 4: Simplify right side
    918,049.80x = 611,994,262,199.04
  5. Step 5: Solve for x
    x = 611,994,262,199.04/918,049.80
  6. Step 6: Final answer
    x = 666,624.25

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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.