Finding the Fourth Proportional to 859,753.18, 1,287,948.16 and 708,167.88
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Solution
The fourth proportional to 859,753.18, 1,287,948.16 and 708,167.88 is: 1,060,866.70
Step by Step Solution
- Step 1: Write the proportion equation
859,753.18 : 1,287,948.16 = 708,167.88 : x - Step 2: Convert to fraction form
859,753.18/1,287,948.16 = 708,167.88/x - Step 3: Cross multiply
859,753.18x = 1,287,948.16 × 708,167.88 - Step 4: Simplify right side
859,753.18x = 912,083,518,902.31 - Step 5: Solve for x
x = 912,083,518,902.31/859,753.18 - Step 6: Final answer
x = 1,060,866.70
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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.