Finding the Fourth Proportional to 860,339.26, 1,287,488.40 and 706,748.68
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Solution
The fourth proportional to 860,339.26, 1,287,488.40 and 706,748.68 is: 1,057,641.76
Step by Step Solution
- Step 1: Write the proportion equation
860,339.26 : 1,287,488.40 = 706,748.68 : x - Step 2: Convert to fraction form
860,339.26/1,287,488.40 = 706,748.68/x - Step 3: Cross multiply
860,339.26x = 1,287,488.40 × 706,748.68 - Step 4: Simplify right side
860,339.26x = 909,930,727,215.31 - Step 5: Solve for x
x = 909,930,727,215.31/860,339.26 - Step 6: Final answer
x = 1,057,641.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.