Home / 857,362.80-1,183,051.93-470,076.31

Finding the Fourth Proportional to 857,362.80, 1,183,051.93 and 470,076.31

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Solution

The fourth proportional to 857,362.80, 1,183,051.93 and 470,076.31 is: 648,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,362.80 : 1,183,051.93 = 470,076.31 : x
  2. Step 2: Convert to fraction form
    857,362.80/1,183,051.93 = 470,076.31/x
  3. Step 3: Cross multiply
    857,362.80x = 1,183,051.93 × 470,076.31
  4. Step 4: Simplify right side
    857,362.80x = 556,124,685,022.51
  5. Step 5: Solve for x
    x = 556,124,685,022.51/857,362.80
  6. Step 6: Final answer
    x = 648,645.69

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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.