Finding the Fourth Proportional to 791,452.87, 1,181,448.48 and 695,686.88
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Solution
The fourth proportional to 791,452.87, 1,181,448.48 and 695,686.88 is: 1,038,492.92
Step by Step Solution
- Step 1: Write the proportion equation
791,452.87 : 1,181,448.48 = 695,686.88 : x - Step 2: Convert to fraction form
791,452.87/1,181,448.48 = 695,686.88/x - Step 3: Cross multiply
791,452.87x = 1,181,448.48 × 695,686.88 - Step 4: Simplify right side
791,452.87x = 821,918,205,848.74 - Step 5: Solve for x
x = 821,918,205,848.74/791,452.87 - Step 6: Final answer
x = 1,038,492.92
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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.