Finding the Fourth Proportional to 566,843.19, 782,298.86 and 423,354.12
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Solution
The fourth proportional to 566,843.19, 782,298.86 and 423,354.12 is: 584,269.95
Step by Step Solution
- Step 1: Write the proportion equation
566,843.19 : 782,298.86 = 423,354.12 : x - Step 2: Convert to fraction form
566,843.19/782,298.86 = 423,354.12/x - Step 3: Cross multiply
566,843.19x = 782,298.86 × 423,354.12 - Step 4: Simplify right side
566,843.19x = 331,189,443,335.53 - Step 5: Solve for x
x = 331,189,443,335.53/566,843.19 - Step 6: Final answer
x = 584,269.95
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1.5x scale
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.