Home / 827,765.37-1,142,417.67-465,204.51

Finding the Fourth Proportional to 827,765.37, 1,142,417.67 and 465,204.51

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Solution

The fourth proportional to 827,765.37, 1,142,417.67 and 465,204.51 is: 642,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,765.37 : 1,142,417.67 = 465,204.51 : x
  2. Step 2: Convert to fraction form
    827,765.37/1,142,417.67 = 465,204.51/x
  3. Step 3: Cross multiply
    827,765.37x = 1,142,417.67 × 465,204.51
  4. Step 4: Simplify right side
    827,765.37x = 531,457,852,387.69
  5. Step 5: Solve for x
    x = 531,457,852,387.69/827,765.37
  6. Step 6: Final answer
    x = 642,039.24

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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.