Finding the Fourth Proportional to 875,177.80, 1,207,970.08 and 570,014.62
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Solution
The fourth proportional to 875,177.80, 1,207,970.08 and 570,014.62 is: 786,766.54
Step by Step Solution
- Step 1: Write the proportion equation
875,177.80 : 1,207,970.08 = 570,014.62 : x - Step 2: Convert to fraction form
875,177.80/1,207,970.08 = 570,014.62/x - Step 3: Cross multiply
875,177.80x = 1,207,970.08 × 570,014.62 - Step 4: Simplify right side
875,177.80x = 688,560,606,122.57 - Step 5: Solve for x
x = 688,560,606,122.57/875,177.80 - Step 6: Final answer
x = 786,766.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.