Home / 803,406.96-1,108,741.68-459,260.64

Finding the Fourth Proportional to 803,406.96, 1,108,741.68 and 459,260.64

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Solution

The fourth proportional to 803,406.96, 1,108,741.68 and 459,260.64 is: 633,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,406.96 : 1,108,741.68 = 459,260.64 : x
  2. Step 2: Convert to fraction form
    803,406.96/1,108,741.68 = 459,260.64/x
  3. Step 3: Cross multiply
    803,406.96x = 1,108,741.68 × 459,260.64
  4. Step 4: Simplify right side
    803,406.96x = 509,201,413,551.48
  5. Step 5: Solve for x
    x = 509,201,413,551.48/803,406.96
  6. Step 6: Final answer
    x = 633,802.59

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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.