Finding the Fourth Proportional to 963,393.76, 1,329,465.99 and 533,672.56
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Solution
The fourth proportional to 963,393.76, 1,329,465.99 and 533,672.56 is: 736,458.49
Step by Step Solution
- Step 1: Write the proportion equation
963,393.76 : 1,329,465.99 = 533,672.56 : x - Step 2: Convert to fraction form
963,393.76/1,329,465.99 = 533,672.56/x - Step 3: Cross multiply
963,393.76x = 1,329,465.99 × 533,672.56 - Step 4: Simplify right side
963,393.76x = 709,499,518,316.24 - Step 5: Solve for x
x = 709,499,518,316.24/963,393.76 - Step 6: Final answer
x = 736,458.49
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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.