Finding the Fourth Proportional to 894,862.17, 1,234,909.98 and 492,454.17
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Solution
The fourth proportional to 894,862.17, 1,234,909.98 and 492,454.17 is: 679,586.86
Step by Step Solution
- Step 1: Write the proportion equation
894,862.17 : 1,234,909.98 = 492,454.17 : x - Step 2: Convert to fraction form
894,862.17/1,234,909.98 = 492,454.17/x - Step 3: Cross multiply
894,862.17x = 1,234,909.98 × 492,454.17 - Step 4: Simplify right side
894,862.17x = 608,136,569,225.62 - Step 5: Solve for x
x = 608,136,569,225.62/894,862.17 - Step 6: Final answer
x = 679,586.86
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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.