Home / 1,013,724.09-1,520,678.52-330,435.56

Finding the Fourth Proportional to 1,013,724.09, 1,520,678.52 and 330,435.56

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Solution

The fourth proportional to 1,013,724.09, 1,520,678.52 and 330,435.56 is: 495,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,724.09 : 1,520,678.52 = 330,435.56 : x
  2. Step 2: Convert to fraction form
    1,013,724.09/1,520,678.52 = 330,435.56/x
  3. Step 3: Cross multiply
    1,013,724.09x = 1,520,678.52 × 330,435.56
  4. Step 4: Simplify right side
    1,013,724.09x = 502,486,251,213.27
  5. Step 5: Solve for x
    x = 502,486,251,213.27/1,013,724.09
  6. Step 6: Final answer
    x = 495,683.45

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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.