Finding the Fourth Proportional to 719,242.74, 1,078,864.62 and 245,931.66
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Solution
The fourth proportional to 719,242.74, 1,078,864.62 and 245,931.66 is: 368,897.66
Step by Step Solution
- Step 1: Write the proportion equation
719,242.74 : 1,078,864.62 = 245,931.66 : x - Step 2: Convert to fraction form
719,242.74/1,078,864.62 = 245,931.66/x - Step 3: Cross multiply
719,242.74x = 1,078,864.62 × 245,931.66 - Step 4: Simplify right side
719,242.74x = 265,326,966,911.87 - Step 5: Solve for x
x = 265,326,966,911.87/719,242.74 - Step 6: Final answer
x = 368,897.66
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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.