Home / 973,078.60-1,459,399.20-638,467.60

Finding the Fourth Proportional to 973,078.60, 1,459,399.20 and 638,467.60

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Solution

The fourth proportional to 973,078.60, 1,459,399.20 and 638,467.60 is: 957,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,078.60 : 1,459,399.20 = 638,467.60 : x
  2. Step 2: Convert to fraction form
    973,078.60/1,459,399.20 = 638,467.60/x
  3. Step 3: Cross multiply
    973,078.60x = 1,459,399.20 × 638,467.60
  4. Step 4: Simplify right side
    973,078.60x = 931,779,104,665.92
  5. Step 5: Solve for x
    x = 931,779,104,665.92/973,078.60
  6. Step 6: Final answer
    x = 957,557.90

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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.