Finding the Fourth Proportional to 993,669.30, 1,490,503.95 and 283,605.08
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Solution
The fourth proportional to 993,669.30, 1,490,503.95 and 283,605.08 is: 425,407.61
Step by Step Solution
- Step 1: Write the proportion equation
993,669.30 : 1,490,503.95 = 283,605.08 : x - Step 2: Convert to fraction form
993,669.30/1,490,503.95 = 283,605.08/x - Step 3: Cross multiply
993,669.30x = 1,490,503.95 × 283,605.08 - Step 4: Simplify right side
993,669.30x = 422,714,484,527.55 - Step 5: Solve for x
x = 422,714,484,527.55/993,669.30 - Step 6: Final answer
x = 425,407.61
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1.5x scale
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.