Finding the Fourth Proportional to 813,332.07, 1,212,726.69 and 790,986.35
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Solution
The fourth proportional to 813,332.07, 1,212,726.69 and 790,986.35 is: 1,179,407.88
Step by Step Solution
- Step 1: Write the proportion equation
813,332.07 : 1,212,726.69 = 790,986.35 : x - Step 2: Convert to fraction form
813,332.07/1,212,726.69 = 790,986.35/x - Step 3: Cross multiply
813,332.07x = 1,212,726.69 × 790,986.35 - Step 4: Simplify right side
813,332.07x = 959,250,254,973.25 - Step 5: Solve for x
x = 959,250,254,973.25/813,332.07 - Step 6: Final answer
x = 1,179,407.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.