Home / 788,602.38-1,084,827.74-691,368.36

Finding the Fourth Proportional to 788,602.38, 1,084,827.74 and 691,368.36

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Solution

The fourth proportional to 788,602.38, 1,084,827.74 and 691,368.36 is: 951,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,602.38 : 1,084,827.74 = 691,368.36 : x
  2. Step 2: Convert to fraction form
    788,602.38/1,084,827.74 = 691,368.36/x
  3. Step 3: Cross multiply
    788,602.38x = 1,084,827.74 × 691,368.36
  4. Step 4: Simplify right side
    788,602.38x = 750,015,575,486.31
  5. Step 5: Solve for x
    x = 750,015,575,486.31/788,602.38
  6. Step 6: Final answer
    x = 951,069.38

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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.