Finding the Fourth Proportional to 975,630.95, 1,345,476.25 and 837,763.08
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Solution
The fourth proportional to 975,630.95, 1,345,476.25 and 837,763.08 is: 1,155,344.99
Step by Step Solution
- Step 1: Write the proportion equation
975,630.95 : 1,345,476.25 = 837,763.08 : x - Step 2: Convert to fraction form
975,630.95/1,345,476.25 = 837,763.08/x - Step 3: Cross multiply
975,630.95x = 1,345,476.25 × 837,763.08 - Step 4: Simplify right side
975,630.95x = 1,127,190,327,266.85 - Step 5: Solve for x
x = 1,127,190,327,266.85/975,630.95 - Step 6: Final answer
x = 1,155,344.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.