Finding the Fourth Proportional to 963,031.80, 1,444,547.70 and 490,639.80
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Solution
The fourth proportional to 963,031.80, 1,444,547.70 and 490,639.80 is: 735,959.70
Step by Step Solution
- Step 1: Write the proportion equation
963,031.80 : 1,444,547.70 = 490,639.80 : x - Step 2: Convert to fraction form
963,031.80/1,444,547.70 = 490,639.80/x - Step 3: Cross multiply
963,031.80x = 1,444,547.70 × 490,639.80 - Step 4: Simplify right side
963,031.80x = 708,752,594,618.46 - Step 5: Solve for x
x = 708,752,594,618.46/963,031.80 - Step 6: Final answer
x = 735,959.70
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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.