Finding the Fourth Proportional to 631,581.24, 939,248.97 and 611,647.14
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Solution
The fourth proportional to 631,581.24, 939,248.97 and 611,647.14 is: 909,604.20
Step by Step Solution
- Step 1: Write the proportion equation
631,581.24 : 939,248.97 = 611,647.14 : x - Step 2: Convert to fraction form
631,581.24/939,248.97 = 611,647.14/x - Step 3: Cross multiply
631,581.24x = 939,248.97 × 611,647.14 - Step 4: Simplify right side
631,581.24x = 574,488,946,248.45 - Step 5: Solve for x
x = 574,488,946,248.45/631,581.24 - Step 6: Final answer
x = 909,604.20
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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.