Finding the Fourth Proportional to 862,878.24, 1,190,777.89 and 480,929.62
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Solution
The fourth proportional to 862,878.24, 1,190,777.89 and 480,929.62 is: 663,686.17
Step by Step Solution
- Step 1: Write the proportion equation
862,878.24 : 1,190,777.89 = 480,929.62 : x - Step 2: Convert to fraction form
862,878.24/1,190,777.89 = 480,929.62/x - Step 3: Cross multiply
862,878.24x = 1,190,777.89 × 480,929.62 - Step 4: Simplify right side
862,878.24x = 572,680,358,142.10 - Step 5: Solve for x
x = 572,680,358,142.10/862,878.24 - Step 6: Final answer
x = 663,686.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.