Finding the Fourth Proportional to 926,695.69, 1,278,461.88 and 582,420.58
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Solution
The fourth proportional to 926,695.69, 1,278,461.88 and 582,420.58 is: 803,502.72
Step by Step Solution
- Step 1: Write the proportion equation
926,695.69 : 1,278,461.88 = 582,420.58 : x - Step 2: Convert to fraction form
926,695.69/1,278,461.88 = 582,420.58/x - Step 3: Cross multiply
926,695.69x = 1,278,461.88 × 582,420.58 - Step 4: Simplify right side
926,695.69x = 744,602,506,461.34 - Step 5: Solve for x
x = 744,602,506,461.34/926,695.69 - Step 6: Final answer
x = 803,502.72
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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.