Finding the Fourth Proportional to 887,095.80, 1,330,643.70 and 603,660.60
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Solution
The fourth proportional to 887,095.80, 1,330,643.70 and 603,660.60 is: 905,490.90
Step by Step Solution
- Step 1: Write the proportion equation
887,095.80 : 1,330,643.70 = 603,660.60 : x - Step 2: Convert to fraction form
887,095.80/1,330,643.70 = 603,660.60/x - Step 3: Cross multiply
887,095.80x = 1,330,643.70 × 603,660.60 - Step 4: Simplify right side
887,095.80x = 803,257,174,328.22 - Step 5: Solve for x
x = 803,257,174,328.22/887,095.80 - Step 6: Final answer
x = 905,490.90
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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.