Finding the Fourth Proportional to 860,315.60, 1,288,991.16 and 671,149.52
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Solution
The fourth proportional to 860,315.60, 1,288,991.16 and 671,149.52 is: 1,005,567.95
Step by Step Solution
- Step 1: Write the proportion equation
860,315.60 : 1,288,991.16 = 671,149.52 : x - Step 2: Convert to fraction form
860,315.60/1,288,991.16 = 671,149.52/x - Step 3: Cross multiply
860,315.60x = 1,288,991.16 × 671,149.52 - Step 4: Simplify right side
860,315.60x = 865,105,798,318.24 - Step 5: Solve for x
x = 865,105,798,318.24/860,315.60 - Step 6: Final answer
x = 1,005,567.95
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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.