Home / 954,064.88-1,430,747.40-279,973.16

Finding the Fourth Proportional to 954,064.88, 1,430,747.40 and 279,973.16

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Solution

The fourth proportional to 954,064.88, 1,430,747.40 and 279,973.16 is: 419,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,064.88 : 1,430,747.40 = 279,973.16 : x
  2. Step 2: Convert to fraction form
    954,064.88/1,430,747.40 = 279,973.16/x
  3. Step 3: Cross multiply
    954,064.88x = 1,430,747.40 × 279,973.16
  4. Step 4: Simplify right side
    954,064.88x = 400,570,870,739.78
  5. Step 5: Solve for x
    x = 400,570,870,739.78/954,064.88
  6. Step 6: Final answer
    x = 419,857.05

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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.