Finding the Fourth Proportional to 729,824.12, 1,007,631.19 and 653,210.36
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Solution
The fourth proportional to 729,824.12, 1,007,631.19 and 653,210.36 is: 901,854.45
Step by Step Solution
- Step 1: Write the proportion equation
729,824.12 : 1,007,631.19 = 653,210.36 : x - Step 2: Convert to fraction form
729,824.12/1,007,631.19 = 653,210.36/x - Step 3: Cross multiply
729,824.12x = 1,007,631.19 × 653,210.36 - Step 4: Simplify right side
729,824.12x = 658,195,132,367.13 - Step 5: Solve for x
x = 658,195,132,367.13/729,824.12 - Step 6: Final answer
x = 901,854.45
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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.