Finding the Fourth Proportional to 700,946.08, 967,304.64 and 399,140.08
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Solution
The fourth proportional to 700,946.08, 967,304.64 and 399,140.08 is: 550,812.77
Step by Step Solution
- Step 1: Write the proportion equation
700,946.08 : 967,304.64 = 399,140.08 : x - Step 2: Convert to fraction form
700,946.08/967,304.64 = 399,140.08/x - Step 3: Cross multiply
700,946.08x = 967,304.64 × 399,140.08 - Step 4: Simplify right side
700,946.08x = 386,090,051,393.97 - Step 5: Solve for x
x = 386,090,051,393.97/700,946.08 - Step 6: Final answer
x = 550,812.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.