Finding the Fourth Proportional to 602,386.44, 831,299.68 and 330,454.84
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Solution
The fourth proportional to 602,386.44, 831,299.68 and 330,454.84 is: 456,031.19
Step by Step Solution
- Step 1: Write the proportion equation
602,386.44 : 831,299.68 = 330,454.84 : x - Step 2: Convert to fraction form
602,386.44/831,299.68 = 330,454.84/x - Step 3: Cross multiply
602,386.44x = 831,299.68 × 330,454.84 - Step 4: Simplify right side
602,386.44x = 274,707,002,746.45 - Step 5: Solve for x
x = 274,707,002,746.45/602,386.44 - Step 6: Final answer
x = 456,031.19
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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.