Finding the Fourth Proportional to 735,218.70, 1,103,864.85 and 455,282.70
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Solution
The fourth proportional to 735,218.70, 1,103,864.85 and 455,282.70 is: 683,566.09
Step by Step Solution
- Step 1: Write the proportion equation
735,218.70 : 1,103,864.85 = 455,282.70 : x - Step 2: Convert to fraction form
735,218.70/1,103,864.85 = 455,282.70/x - Step 3: Cross multiply
735,218.70x = 1,103,864.85 × 455,282.70 - Step 4: Simplify right side
735,218.70x = 502,570,569,343.10 - Step 5: Solve for x
x = 502,570,569,343.10/735,218.70 - Step 6: Final answer
x = 683,566.09
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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.