Finding the Fourth Proportional to 1,103,291.75, 1,654,937.72 and 355,337.75
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Solution
The fourth proportional to 1,103,291.75, 1,654,937.72 and 355,337.75 is: 533,006.65
Step by Step Solution
- Step 1: Write the proportion equation
1,103,291.75 : 1,654,937.72 = 355,337.75 : x - Step 2: Convert to fraction form
1,103,291.75/1,654,937.72 = 355,337.75/x - Step 3: Cross multiply
1,103,291.75x = 1,654,937.72 × 355,337.75 - Step 4: Simplify right side
1,103,291.75x = 588,061,844,038.24 - Step 5: Solve for x
x = 588,061,844,038.24/1,103,291.75 - Step 6: Final answer
x = 533,006.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.