Home / 936,502.31-1,292,431.71-528,673.25

Finding the Fourth Proportional to 936,502.31, 1,292,431.71 and 528,673.25

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Solution

The fourth proportional to 936,502.31, 1,292,431.71 and 528,673.25 is: 729,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,502.31 : 1,292,431.71 = 528,673.25 : x
  2. Step 2: Convert to fraction form
    936,502.31/1,292,431.71 = 528,673.25/x
  3. Step 3: Cross multiply
    936,502.31x = 1,292,431.71 × 528,673.25
  4. Step 4: Simplify right side
    936,502.31x = 683,274,066,066.60
  5. Step 5: Solve for x
    x = 683,274,066,066.60/936,502.31
  6. Step 6: Final answer
    x = 729,602.12

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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.