Finding the Fourth Proportional to 572,743.80, 859,115.70 and 559,621.80
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Solution
The fourth proportional to 572,743.80, 859,115.70 and 559,621.80 is: 839,432.70
Step by Step Solution
- Step 1: Write the proportion equation
572,743.80 : 859,115.70 = 559,621.80 : x - Step 2: Convert to fraction form
572,743.80/859,115.70 = 559,621.80/x - Step 3: Cross multiply
572,743.80x = 859,115.70 × 559,621.80 - Step 4: Simplify right side
572,743.80x = 480,779,874,442.26 - Step 5: Solve for x
x = 480,779,874,442.26/572,743.80 - Step 6: Final answer
x = 839,432.70
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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.