Home / 840,410.60-1,159,775.04-458,445.44

Finding the Fourth Proportional to 840,410.60, 1,159,775.04 and 458,445.44

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Solution

The fourth proportional to 840,410.60, 1,159,775.04 and 458,445.44 is: 632,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,410.60 : 1,159,775.04 = 458,445.44 : x
  2. Step 2: Convert to fraction form
    840,410.60/1,159,775.04 = 458,445.44/x
  3. Step 3: Cross multiply
    840,410.60x = 1,159,775.04 × 458,445.44
  4. Step 4: Simplify right side
    840,410.60x = 531,693,578,513.82
  5. Step 5: Solve for x
    x = 531,693,578,513.82/840,410.60
  6. Step 6: Final answer
    x = 632,659.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.