Finding the Fourth Proportional to 867,886.83, 1,197,675.95 and 485,919.99
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Solution
The fourth proportional to 867,886.83, 1,197,675.95 and 485,919.99 is: 670,565.18
Step by Step Solution
- Step 1: Write the proportion equation
867,886.83 : 1,197,675.95 = 485,919.99 : x - Step 2: Convert to fraction form
867,886.83/1,197,675.95 = 485,919.99/x - Step 3: Cross multiply
867,886.83x = 1,197,675.95 × 485,919.99 - Step 4: Simplify right side
867,886.83x = 581,974,685,647.24 - Step 5: Solve for x
x = 581,974,685,647.24/867,886.83 - Step 6: Final answer
x = 670,565.18
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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.