Finding the Fourth Proportional to 894,886.08, 1,234,943.04 and 492,478.08
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Solution
The fourth proportional to 894,886.08, 1,234,943.04 and 492,478.08 is: 679,619.89
Step by Step Solution
- Step 1: Write the proportion equation
894,886.08 : 1,234,943.04 = 492,478.08 : x - Step 2: Convert to fraction form
894,886.08/1,234,943.04 = 492,478.08/x - Step 3: Cross multiply
894,886.08x = 1,234,943.04 × 492,478.08 - Step 4: Simplify right side
894,886.08x = 608,182,377,248.56 - Step 5: Solve for x
x = 608,182,377,248.56/894,886.08 - Step 6: Final answer
x = 679,619.89
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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.