Home / 1,049,358.40-1,573,648.80-339,409.60

Finding the Fourth Proportional to 1,049,358.40, 1,573,648.80 and 339,409.60

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Solution

The fourth proportional to 1,049,358.40, 1,573,648.80 and 339,409.60 is: 508,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,358.40 : 1,573,648.80 = 339,409.60 : x
  2. Step 2: Convert to fraction form
    1,049,358.40/1,573,648.80 = 339,409.60/x
  3. Step 3: Cross multiply
    1,049,358.40x = 1,573,648.80 × 339,409.60
  4. Step 4: Simplify right side
    1,049,358.40x = 534,111,509,748.48
  5. Step 5: Solve for x
    x = 534,111,509,748.48/1,049,358.40
  6. Step 6: Final answer
    x = 508,988.64

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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.