Finding the Fourth Proportional to 669,862.62, 924,356.79 and 383,317.02
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Solution
The fourth proportional to 669,862.62, 924,356.79 and 383,317.02 is: 528,946.80
Step by Step Solution
- Step 1: Write the proportion equation
669,862.62 : 924,356.79 = 383,317.02 : x - Step 2: Convert to fraction form
669,862.62/924,356.79 = 383,317.02/x - Step 3: Cross multiply
669,862.62x = 924,356.79 × 383,317.02 - Step 4: Simplify right side
669,862.62x = 354,321,690,159.57 - Step 5: Solve for x
x = 354,321,690,159.57/669,862.62 - Step 6: Final answer
x = 528,946.80
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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.