Finding the Fourth Proportional to 809,337.60, 1,214,201.88 and 303,904.08
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Solution
The fourth proportional to 809,337.60, 1,214,201.88 and 303,904.08 is: 455,929.52
Step by Step Solution
- Step 1: Write the proportion equation
809,337.60 : 1,214,201.88 = 303,904.08 : x - Step 2: Convert to fraction form
809,337.60/1,214,201.88 = 303,904.08/x - Step 3: Cross multiply
809,337.60x = 1,214,201.88 × 303,904.08 - Step 4: Simplify right side
809,337.60x = 369,000,905,275.67 - Step 5: Solve for x
x = 369,000,905,275.67/809,337.60 - Step 6: Final answer
x = 455,929.52
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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.