Finding the Fourth Proportional to 464,389.63, 640,927.74 and 283,206.66
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Solution
The fourth proportional to 464,389.63, 640,927.74 and 283,206.66 is: 390,867.91
Step by Step Solution
- Step 1: Write the proportion equation
464,389.63 : 640,927.74 = 283,206.66 : x - Step 2: Convert to fraction form
464,389.63/640,927.74 = 283,206.66/x - Step 3: Cross multiply
464,389.63x = 640,927.74 × 283,206.66 - Step 4: Simplify right side
464,389.63x = 181,515,004,546.75 - Step 5: Solve for x
x = 181,515,004,546.75/464,389.63 - Step 6: Final answer
x = 390,867.91
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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.