Finding the Fourth Proportional to 875,302.97, 1,312,298.36 and 370,455.89
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Solution
The fourth proportional to 875,302.97, 1,312,298.36 and 370,455.89 is: 555,406.15
Step by Step Solution
- Step 1: Write the proportion equation
875,302.97 : 1,312,298.36 = 370,455.89 : x - Step 2: Convert to fraction form
875,302.97/1,312,298.36 = 370,455.89/x - Step 3: Cross multiply
875,302.97x = 1,312,298.36 × 370,455.89 - Step 4: Simplify right side
875,302.97x = 486,148,655,047.06 - Step 5: Solve for x
x = 486,148,655,047.06/875,302.97 - Step 6: Final answer
x = 555,406.15
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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.