Finding the Fourth Proportional to 1,007,498.88, 1,390,294.08 and 577,797.12
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Solution
The fourth proportional to 1,007,498.88, 1,390,294.08 and 577,797.12 is: 797,328.84
Step by Step Solution
- Step 1: Write the proportion equation
1,007,498.88 : 1,390,294.08 = 577,797.12 : x - Step 2: Convert to fraction form
1,007,498.88/1,390,294.08 = 577,797.12/x - Step 3: Cross multiply
1,007,498.88x = 1,390,294.08 × 577,797.12 - Step 4: Simplify right side
1,007,498.88x = 803,307,915,377.05 - Step 5: Solve for x
x = 803,307,915,377.05/1,007,498.88 - Step 6: Final answer
x = 797,328.84
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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.