Home / 788,223.96-1,079,870.74-758,703.71

Finding the Fourth Proportional to 788,223.96, 1,079,870.74 and 758,703.71

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Solution

The fourth proportional to 788,223.96, 1,079,870.74 and 758,703.71 is: 1,039,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,223.96 : 1,079,870.74 = 758,703.71 : x
  2. Step 2: Convert to fraction form
    788,223.96/1,079,870.74 = 758,703.71/x
  3. Step 3: Cross multiply
    788,223.96x = 1,079,870.74 × 758,703.71
  4. Step 4: Simplify right side
    788,223.96x = 819,301,937,561.36
  5. Step 5: Solve for x
    x = 819,301,937,561.36/788,223.96
  6. Step 6: Final answer
    x = 1,039,427.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.