Finding the Fourth Proportional to 991,071.99, 1,367,949.47 and 583,304.63
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Solution
The fourth proportional to 991,071.99, 1,367,949.47 and 583,304.63 is: 805,119.36
Step by Step Solution
- Step 1: Write the proportion equation
991,071.99 : 1,367,949.47 = 583,304.63 : x - Step 2: Convert to fraction form
991,071.99/1,367,949.47 = 583,304.63/x - Step 3: Cross multiply
991,071.99x = 1,367,949.47 × 583,304.63 - Step 4: Simplify right side
991,071.99x = 797,931,249,700.78 - Step 5: Solve for x
x = 797,931,249,700.78/991,071.99 - Step 6: Final answer
x = 805,119.36
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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.