Finding the Fourth Proportional to 520,386.93, 780,048.68 and 295,271.81
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Solution
The fourth proportional to 520,386.93, 780,048.68 and 295,271.81 is: 442,606.01
Step by Step Solution
- Step 1: Write the proportion equation
520,386.93 : 780,048.68 = 295,271.81 : x - Step 2: Convert to fraction form
520,386.93/780,048.68 = 295,271.81/x - Step 3: Cross multiply
520,386.93x = 780,048.68 × 295,271.81 - Step 4: Simplify right side
520,386.93x = 230,326,382,647.31 - Step 5: Solve for x
x = 230,326,382,647.31/520,386.93 - Step 6: Final answer
x = 442,606.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.