Finding the Fourth Proportional to 887,374.12, 1,224,576.66 and 484,966.12
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Solution
The fourth proportional to 887,374.12, 1,224,576.66 and 484,966.12 is: 669,253.45
Step by Step Solution
- Step 1: Write the proportion equation
887,374.12 : 1,224,576.66 = 484,966.12 : x - Step 2: Convert to fraction form
887,374.12/1,224,576.66 = 484,966.12/x - Step 3: Cross multiply
887,374.12x = 1,224,576.66 × 484,966.12 - Step 4: Simplify right side
887,374.12x = 593,878,191,442.76 - Step 5: Solve for x
x = 593,878,191,442.76/887,374.12 - Step 6: Final answer
x = 669,253.45
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1.5x scale
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.