Finding the Fourth Proportional to 772,905.99, 1,158,798.45 and 519,558.09
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Solution
The fourth proportional to 772,905.99, 1,158,798.45 and 519,558.09 is: 778,960.34
Step by Step Solution
- Step 1: Write the proportion equation
772,905.99 : 1,158,798.45 = 519,558.09 : x - Step 2: Convert to fraction form
772,905.99/1,158,798.45 = 519,558.09/x - Step 3: Cross multiply
772,905.99x = 1,158,798.45 × 519,558.09 - Step 4: Simplify right side
772,905.99x = 602,063,109,376.96 - Step 5: Solve for x
x = 602,063,109,376.96/772,905.99 - Step 6: Final answer
x = 778,960.34
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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.