Finding the Fourth Proportional to 829,167.12, 1,243,750.68 and 457,552.08
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Solution
The fourth proportional to 829,167.12, 1,243,750.68 and 457,552.08 is: 686,328.12
Step by Step Solution
- Step 1: Write the proportion equation
829,167.12 : 1,243,750.68 = 457,552.08 : x - Step 2: Convert to fraction form
829,167.12/1,243,750.68 = 457,552.08/x - Step 3: Cross multiply
829,167.12x = 1,243,750.68 × 457,552.08 - Step 4: Simplify right side
829,167.12x = 569,080,710,635.41 - Step 5: Solve for x
x = 569,080,710,635.41/829,167.12 - Step 6: Final answer
x = 686,328.12
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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.