Finding the Fourth Proportional to 898,497.66, 1,239,780.36 and 530,923.62
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Solution
The fourth proportional to 898,497.66, 1,239,780.36 and 530,923.62 is: 732,588.08
Step by Step Solution
- Step 1: Write the proportion equation
898,497.66 : 1,239,780.36 = 530,923.62 : x - Step 2: Convert to fraction form
898,497.66/1,239,780.36 = 530,923.62/x - Step 3: Cross multiply
898,497.66x = 1,239,780.36 × 530,923.62 - Step 4: Simplify right side
898,497.66x = 658,228,676,736.10 - Step 5: Solve for x
x = 658,228,676,736.10/898,497.66 - Step 6: Final answer
x = 732,588.08
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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.