Finding the Fourth Proportional to 877,335.77, 1,316,003.59 and 478,312.09
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Solution
The fourth proportional to 877,335.77, 1,316,003.59 and 478,312.09 is: 717,468.09
Step by Step Solution
- Step 1: Write the proportion equation
877,335.77 : 1,316,003.59 = 478,312.09 : x - Step 2: Convert to fraction form
877,335.77/1,316,003.59 = 478,312.09/x - Step 3: Cross multiply
877,335.77x = 1,316,003.59 × 478,312.09 - Step 4: Simplify right side
877,335.77x = 629,460,424,888.28 - Step 5: Solve for x
x = 629,460,424,888.28/877,335.77 - Step 6: Final answer
x = 717,468.09
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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.