Home / 1,341,298.45-2,011,948.22-330,440.07

Finding the Fourth Proportional to 1,341,298.45, 2,011,948.22 and 330,440.07

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Solution

The fourth proportional to 1,341,298.45, 2,011,948.22 and 330,440.07 is: 495,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,298.45 : 2,011,948.22 = 330,440.07 : x
  2. Step 2: Convert to fraction form
    1,341,298.45/2,011,948.22 = 330,440.07/x
  3. Step 3: Cross multiply
    1,341,298.45x = 2,011,948.22 × 330,440.07
  4. Step 4: Simplify right side
    1,341,298.45x = 664,828,310,653.18
  5. Step 5: Solve for x
    x = 664,828,310,653.18/1,341,298.45
  6. Step 6: Final answer
    x = 495,660.24

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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.