Finding the Fourth Proportional to 963,562.24, 1,329,680.60 and 555,681.28
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Solution
The fourth proportional to 963,562.24, 1,329,680.60 and 555,681.28 is: 766,819.81
Step by Step Solution
- Step 1: Write the proportion equation
963,562.24 : 1,329,680.60 = 555,681.28 : x - Step 2: Convert to fraction form
963,562.24/1,329,680.60 = 555,681.28/x - Step 3: Cross multiply
963,562.24x = 1,329,680.60 × 555,681.28 - Step 4: Simplify right side
963,562.24x = 738,878,617,799.17 - Step 5: Solve for x
x = 738,878,617,799.17/963,562.24 - Step 6: Final answer
x = 766,819.81
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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.