Finding the Fourth Proportional to 572,823.70, 859,235.55 and 572,823.70
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Solution
The fourth proportional to 572,823.70, 859,235.55 and 572,823.70 is: 859,235.55
Step by Step Solution
- Step 1: Write the proportion equation
572,823.70 : 859,235.55 = 572,823.70 : x - Step 2: Convert to fraction form
572,823.70/859,235.55 = 572,823.70/x - Step 3: Cross multiply
572,823.70x = 859,235.55 × 572,823.70 - Step 4: Simplify right side
572,823.70x = 492,190,486,922.54 - Step 5: Solve for x
x = 492,190,486,922.54/572,823.70 - Step 6: Final answer
x = 859,235.55
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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.