Home / 1,049,345.40-1,573,629.30-339,396.60

Finding the Fourth Proportional to 1,049,345.40, 1,573,629.30 and 339,396.60

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Solution

The fourth proportional to 1,049,345.40, 1,573,629.30 and 339,396.60 is: 508,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,345.40 : 1,573,629.30 = 339,396.60 : x
  2. Step 2: Convert to fraction form
    1,049,345.40/1,573,629.30 = 339,396.60/x
  3. Step 3: Cross multiply
    1,049,345.40x = 1,573,629.30 × 339,396.60
  4. Step 4: Simplify right side
    1,049,345.40x = 534,084,434,080.38
  5. Step 5: Solve for x
    x = 534,084,434,080.38/1,049,345.40
  6. Step 6: Final answer
    x = 508,969.15

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Double scale
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1.5x scale

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.