Finding the Fourth Proportional to 679,002.68, 1,018,614.18 and 229,751.12
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Solution
The fourth proportional to 679,002.68, 1,018,614.18 and 229,751.12 is: 344,663.95
Step by Step Solution
- Step 1: Write the proportion equation
679,002.68 : 1,018,614.18 = 229,751.12 : x - Step 2: Convert to fraction form
679,002.68/1,018,614.18 = 229,751.12/x - Step 3: Cross multiply
679,002.68x = 1,018,614.18 × 229,751.12 - Step 4: Simplify right side
679,002.68x = 234,027,748,702.88 - Step 5: Solve for x
x = 234,027,748,702.88/679,002.68 - Step 6: Final answer
x = 344,663.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.