Finding the Fourth Proportional to 1,007,024.69, 1,389,730.74 and 548,117.09
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Solution
The fourth proportional to 1,007,024.69, 1,389,730.74 and 548,117.09 is: 756,421.54
Step by Step Solution
- Step 1: Write the proportion equation
1,007,024.69 : 1,389,730.74 = 548,117.09 : x - Step 2: Convert to fraction form
1,007,024.69/1,389,730.74 = 548,117.09/x - Step 3: Cross multiply
1,007,024.69x = 1,389,730.74 × 548,117.09 - Step 4: Simplify right side
1,007,024.69x = 761,735,164,199.13 - Step 5: Solve for x
x = 761,735,164,199.13/1,007,024.69 - Step 6: Final answer
x = 756,421.54
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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.