Home / 806,783.40-1,208,331.90-475,007.40

Finding the Fourth Proportional to 806,783.40, 1,208,331.90 and 475,007.40

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Solution

The fourth proportional to 806,783.40, 1,208,331.90 and 475,007.40 is: 711,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,783.40 : 1,208,331.90 = 475,007.40 : x
  2. Step 2: Convert to fraction form
    806,783.40/1,208,331.90 = 475,007.40/x
  3. Step 3: Cross multiply
    806,783.40x = 1,208,331.90 × 475,007.40
  4. Step 4: Simplify right side
    806,783.40x = 573,966,594,156.06
  5. Step 5: Solve for x
    x = 573,966,594,156.06/806,783.40
  6. Step 6: Final answer
    x = 711,425.88

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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.