Finding the Fourth Proportional to 895,509.80, 1,343,264.70 and 778,869.80
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Solution
The fourth proportional to 895,509.80, 1,343,264.70 and 778,869.80 is: 1,168,304.70
Step by Step Solution
- Step 1: Write the proportion equation
895,509.80 : 1,343,264.70 = 778,869.80 : x - Step 2: Convert to fraction form
895,509.80/1,343,264.70 = 778,869.80/x - Step 3: Cross multiply
895,509.80x = 1,343,264.70 × 778,869.80 - Step 4: Simplify right side
895,509.80x = 1,046,228,308,236.06 - Step 5: Solve for x
x = 1,046,228,308,236.06/895,509.80 - Step 6: Final answer
x = 1,168,304.70
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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.