Finding the Fourth Proportional to 787,339.13, 1,179,116.99 and 449,355.10
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Solution
The fourth proportional to 787,339.13, 1,179,116.99 and 449,355.10 is: 672,953.00
Step by Step Solution
- Step 1: Write the proportion equation
787,339.13 : 1,179,116.99 = 449,355.10 : x - Step 2: Convert to fraction form
787,339.13/1,179,116.99 = 449,355.10/x - Step 3: Cross multiply
787,339.13x = 1,179,116.99 × 449,355.10 - Step 4: Simplify right side
787,339.13x = 529,842,232,953.15 - Step 5: Solve for x
x = 529,842,232,953.15/787,339.13 - Step 6: Final answer
x = 672,953.00
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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.