Home / 1,098,819.32-1,648,165.14-330,300.43

Finding the Fourth Proportional to 1,098,819.32, 1,648,165.14 and 330,300.43

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Solution

The fourth proportional to 1,098,819.32, 1,648,165.14 and 330,300.43 is: 495,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,819.32 : 1,648,165.14 = 330,300.43 : x
  2. Step 2: Convert to fraction form
    1,098,819.32/1,648,165.14 = 330,300.43/x
  3. Step 3: Cross multiply
    1,098,819.32x = 1,648,165.14 × 330,300.43
  4. Step 4: Simplify right side
    1,098,819.32x = 544,389,652,801.51
  5. Step 5: Solve for x
    x = 544,389,652,801.51/1,098,819.32
  6. Step 6: Final answer
    x = 495,431.45

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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.