Finding the Fourth Proportional to 975,515.68, 1,470,585.23 and 910,488.88
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Solution
The fourth proportional to 975,515.68, 1,470,585.23 and 910,488.88 is: 1,372,557.64
Step by Step Solution
- Step 1: Write the proportion equation
975,515.68 : 1,470,585.23 = 910,488.88 : x - Step 2: Convert to fraction form
975,515.68/1,470,585.23 = 910,488.88/x - Step 3: Cross multiply
975,515.68x = 1,470,585.23 × 910,488.88 - Step 4: Simplify right side
975,515.68x = 1,338,951,499,007.24 - Step 5: Solve for x
x = 1,338,951,499,007.24/975,515.68 - Step 6: Final answer
x = 1,372,557.64
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.