Finding the Fourth Proportional to 528,005.10, 790,452.45 and 497,246.70
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Solution
The fourth proportional to 528,005.10, 790,452.45 and 497,246.70 is: 744,405.45
Step by Step Solution
- Step 1: Write the proportion equation
528,005.10 : 790,452.45 = 497,246.70 : x - Step 2: Convert to fraction form
528,005.10/790,452.45 = 497,246.70/x - Step 3: Cross multiply
528,005.10x = 790,452.45 × 497,246.70 - Step 4: Simplify right side
528,005.10x = 393,049,872,269.42 - Step 5: Solve for x
x = 393,049,872,269.42/528,005.10 - Step 6: Final answer
x = 744,405.45
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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.