Finding the Fourth Proportional to 895,394.12, 1,235,652.18 and 493,000.52
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Solution
The fourth proportional to 895,394.12, 1,235,652.18 and 493,000.52 is: 680,345.28
Step by Step Solution
- Step 1: Write the proportion equation
895,394.12 : 1,235,652.18 = 493,000.52 : x - Step 2: Convert to fraction form
895,394.12/1,235,652.18 = 493,000.52/x - Step 3: Cross multiply
895,394.12x = 1,235,652.18 × 493,000.52 - Step 4: Simplify right side
895,394.12x = 609,177,167,279.13 - Step 5: Solve for x
x = 609,177,167,279.13/895,394.12 - Step 6: Final answer
x = 680,345.28
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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.