Finding the Fourth Proportional to 715,783.74, 1,072,888.23 and 294,829.98
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Solution
The fourth proportional to 715,783.74, 1,072,888.23 and 294,829.98 is: 441,920.65
Step by Step Solution
- Step 1: Write the proportion equation
715,783.74 : 1,072,888.23 = 294,829.98 : x - Step 2: Convert to fraction form
715,783.74/1,072,888.23 = 294,829.98/x - Step 3: Cross multiply
715,783.74x = 1,072,888.23 × 294,829.98 - Step 4: Simplify right side
715,783.74x = 316,319,615,393.14 - Step 5: Solve for x
x = 316,319,615,393.14/715,783.74 - Step 6: Final answer
x = 441,920.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.