Home / 806,829.40-1,208,400.90-475,053.40

Finding the Fourth Proportional to 806,829.40, 1,208,400.90 and 475,053.40

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Solution

The fourth proportional to 806,829.40, 1,208,400.90 and 475,053.40 is: 711,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,829.40 : 1,208,400.90 = 475,053.40 : x
  2. Step 2: Convert to fraction form
    806,829.40/1,208,400.90 = 475,053.40/x
  3. Step 3: Cross multiply
    806,829.40x = 1,208,400.90 × 475,053.40
  4. Step 4: Simplify right side
    806,829.40x = 574,054,956,108.06
  5. Step 5: Solve for x
    x = 574,054,956,108.06/806,829.40
  6. Step 6: Final answer
    x = 711,494.84

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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.