Home / 954,400.82-1,430,551.31-393,129.14

Finding the Fourth Proportional to 954,400.82, 1,430,551.31 and 393,129.14

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Solution

The fourth proportional to 954,400.82, 1,430,551.31 and 393,129.14 is: 589,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,400.82 : 1,430,551.31 = 393,129.14 : x
  2. Step 2: Convert to fraction form
    954,400.82/1,430,551.31 = 393,129.14/x
  3. Step 3: Cross multiply
    954,400.82x = 1,430,551.31 × 393,129.14
  4. Step 4: Simplify right side
    954,400.82x = 562,391,406,226.17
  5. Step 5: Solve for x
    x = 562,391,406,226.17/954,400.82
  6. Step 6: Final answer
    x = 589,261.24

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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.