Finding the Fourth Proportional to 782,541.02, 1,079,946.74 and 438,356.23
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Solution
The fourth proportional to 782,541.02, 1,079,946.74 and 438,356.23 is: 604,954.08
Step by Step Solution
- Step 1: Write the proportion equation
782,541.02 : 1,079,946.74 = 438,356.23 : x - Step 2: Convert to fraction form
782,541.02/1,079,946.74 = 438,356.23/x - Step 3: Cross multiply
782,541.02x = 1,079,946.74 × 438,356.23 - Step 4: Simplify right side
782,541.02x = 473,401,381,547.19 - Step 5: Solve for x
x = 473,401,381,547.19/782,541.02 - Step 6: Final answer
x = 604,954.08
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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.