Finding the Fourth Proportional to 1,038,302.94, 1,432,855.38 and 579,412.62
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Solution
The fourth proportional to 1,038,302.94, 1,432,855.38 and 579,412.62 is: 799,587.92
Step by Step Solution
- Step 1: Write the proportion equation
1,038,302.94 : 1,432,855.38 = 579,412.62 : x - Step 2: Convert to fraction form
1,038,302.94/1,432,855.38 = 579,412.62/x - Step 3: Cross multiply
1,038,302.94x = 1,432,855.38 × 579,412.62 - Step 4: Simplify right side
1,038,302.94x = 830,214,489,806.90 - Step 5: Solve for x
x = 830,214,489,806.90/1,038,302.94 - Step 6: Final answer
x = 799,587.92
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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.