Finding the Fourth Proportional to 578,810.18, 798,769.02 and 324,160.76
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Solution
The fourth proportional to 578,810.18, 798,769.02 and 324,160.76 is: 447,347.99
Step by Step Solution
- Step 1: Write the proportion equation
578,810.18 : 798,769.02 = 324,160.76 : x - Step 2: Convert to fraction form
578,810.18/798,769.02 = 324,160.76/x - Step 3: Cross multiply
578,810.18x = 798,769.02 × 324,160.76 - Step 4: Simplify right side
578,810.18x = 258,929,572,587.66 - Step 5: Solve for x
x = 258,929,572,587.66/578,810.18 - Step 6: Final answer
x = 447,347.99
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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.