Finding the Fourth Proportional to 894,870.68, 1,234,921.72 and 492,462.68
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Solution
The fourth proportional to 894,870.68, 1,234,921.72 and 492,462.68 is: 679,598.60
Step by Step Solution
- Step 1: Write the proportion equation
894,870.68 : 1,234,921.72 = 492,462.68 : x - Step 2: Convert to fraction form
894,870.68/1,234,921.72 = 492,462.68/x - Step 3: Cross multiply
894,870.68x = 1,234,921.72 × 492,462.68 - Step 4: Simplify right side
894,870.68x = 608,152,859,821.41 - Step 5: Solve for x
x = 608,152,859,821.41/894,870.68 - Step 6: Final answer
x = 679,598.60
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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.