Home / 936,693.40-1,292,640.42-506,973.64

Finding the Fourth Proportional to 936,693.40, 1,292,640.42 and 506,973.64

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Solution

The fourth proportional to 936,693.40, 1,292,640.42 and 506,973.64 is: 699,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,693.40 : 1,292,640.42 = 506,973.64 : x
  2. Step 2: Convert to fraction form
    936,693.40/1,292,640.42 = 506,973.64/x
  3. Step 3: Cross multiply
    936,693.40x = 1,292,640.42 × 506,973.64
  4. Step 4: Simplify right side
    936,693.40x = 655,334,618,938.53
  5. Step 5: Solve for x
    x = 655,334,618,938.53/936,693.40
  6. Step 6: Final answer
    x = 699,625.53

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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.