Home / 711,007.20-981,201.60-424,552.32

Finding the Fourth Proportional to 711,007.20, 981,201.60 and 424,552.32

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Solution

The fourth proportional to 711,007.20, 981,201.60 and 424,552.32 is: 585,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,007.20 : 981,201.60 = 424,552.32 : x
  2. Step 2: Convert to fraction form
    711,007.20/981,201.60 = 424,552.32/x
  3. Step 3: Cross multiply
    711,007.20x = 981,201.60 × 424,552.32
  4. Step 4: Simplify right side
    711,007.20x = 416,571,415,667.71
  5. Step 5: Solve for x
    x = 416,571,415,667.71/711,007.20
  6. Step 6: Final answer
    x = 585,889.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.