Finding the Fourth Proportional to 752,851.08, 1,038,935.16 and 408,686.76
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Solution
The fourth proportional to 752,851.08, 1,038,935.16 and 408,686.76 is: 563,988.09
Step by Step Solution
- Step 1: Write the proportion equation
752,851.08 : 1,038,935.16 = 408,686.76 : x - Step 2: Convert to fraction form
752,851.08/1,038,935.16 = 408,686.76/x - Step 3: Cross multiply
752,851.08x = 1,038,935.16 × 408,686.76 - Step 4: Simplify right side
752,851.08x = 424,599,044,390.48 - Step 5: Solve for x
x = 424,599,044,390.48/752,851.08 - Step 6: Final answer
x = 563,988.09
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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.