Finding the Fourth Proportional to 860,898.42, 1,187,718.93 and 538,486.02
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Solution
The fourth proportional to 860,898.42, 1,187,718.93 and 538,486.02 is: 742,909.99
Step by Step Solution
- Step 1: Write the proportion equation
860,898.42 : 1,187,718.93 = 538,486.02 : x - Step 2: Convert to fraction form
860,898.42/1,187,718.93 = 538,486.02/x - Step 3: Cross multiply
860,898.42x = 1,187,718.93 × 538,486.02 - Step 4: Simplify right side
860,898.42x = 639,570,039,494.36 - Step 5: Solve for x
x = 639,570,039,494.36/860,898.42 - Step 6: Final answer
x = 742,909.99
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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.