Finding the Fourth Proportional to 860,898.02, 1,187,718.36 and 538,485.62
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Solution
The fourth proportional to 860,898.02, 1,187,718.36 and 538,485.62 is: 742,909.43
Step by Step Solution
- Step 1: Write the proportion equation
860,898.02 : 1,187,718.36 = 538,485.62 : x - Step 2: Convert to fraction form
860,898.02/1,187,718.36 = 538,485.62/x - Step 3: Cross multiply
860,898.02x = 1,187,718.36 × 538,485.62 - Step 4: Simplify right side
860,898.02x = 639,569,257,469.98 - Step 5: Solve for x
x = 639,569,257,469.98/860,898.02 - Step 6: Final answer
x = 742,909.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.