Finding the Fourth Proportional to 874,901.40, 1,312,352.10 and 592,891.80
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Solution
The fourth proportional to 874,901.40, 1,312,352.10 and 592,891.80 is: 889,337.70
Step by Step Solution
- Step 1: Write the proportion equation
874,901.40 : 1,312,352.10 = 592,891.80 : x - Step 2: Convert to fraction form
874,901.40/1,312,352.10 = 592,891.80/x - Step 3: Cross multiply
874,901.40x = 1,312,352.10 × 592,891.80 - Step 4: Simplify right side
874,901.40x = 778,082,798,802.78 - Step 5: Solve for x
x = 778,082,798,802.78/874,901.40 - Step 6: Final answer
x = 889,337.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.