Finding the Fourth Proportional to 963,964.12, 1,445,946.09 and 424,220.40
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Solution
The fourth proportional to 963,964.12, 1,445,946.09 and 424,220.40 is: 636,330.56
Step by Step Solution
- Step 1: Write the proportion equation
963,964.12 : 1,445,946.09 = 424,220.40 : x - Step 2: Convert to fraction form
963,964.12/1,445,946.09 = 424,220.40/x - Step 3: Cross multiply
963,964.12x = 1,445,946.09 × 424,220.40 - Step 4: Simplify right side
963,964.12x = 613,399,830,269.06 - Step 5: Solve for x
x = 613,399,830,269.06/963,964.12 - Step 6: Final answer
x = 636,330.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.