Finding the Fourth Proportional to 870,814.12, 1,306,705.02 and 471,449
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Solution
The fourth proportional to 870,814.12, 1,306,705.02 and 471,449 is: 707,435.45
Step by Step Solution
- Step 1: Write the proportion equation
870,814.12 : 1,306,705.02 = 471,449 : x - Step 2: Convert to fraction form
870,814.12/1,306,705.02 = 471,449/x - Step 3: Cross multiply
870,814.12x = 1,306,705.02 × 471,449 - Step 4: Simplify right side
870,814.12x = 616,044,774,973.98 - Step 5: Solve for x
x = 616,044,774,973.98/870,814.12 - Step 6: Final answer
x = 707,435.45
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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.