Home / 950,739.12-1,312,030.31-521,010

Finding the Fourth Proportional to 950,739.12, 1,312,030.31 and 521,010

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Solution

The fourth proportional to 950,739.12, 1,312,030.31 and 521,010 is: 718,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,739.12 : 1,312,030.31 = 521,010 : x
  2. Step 2: Convert to fraction form
    950,739.12/1,312,030.31 = 521,010/x
  3. Step 3: Cross multiply
    950,739.12x = 1,312,030.31 × 521,010
  4. Step 4: Simplify right side
    950,739.12x = 683,580,909,208.05
  5. Step 5: Solve for x
    x = 683,580,909,208.05/950,739.12
  6. Step 6: Final answer
    x = 718,999.46

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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.