Finding the Fourth Proportional to 917,160.26, 1,265,681.14 and 514,752.26
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Solution
The fourth proportional to 917,160.26, 1,265,681.14 and 514,752.26 is: 710,358.11
Step by Step Solution
- Step 1: Write the proportion equation
917,160.26 : 1,265,681.14 = 514,752.26 : x - Step 2: Convert to fraction form
917,160.26/1,265,681.14 = 514,752.26/x - Step 3: Cross multiply
917,160.26x = 1,265,681.14 × 514,752.26 - Step 4: Simplify right side
917,160.26x = 651,512,227,254.38 - Step 5: Solve for x
x = 651,512,227,254.38/917,160.26 - Step 6: Final answer
x = 710,358.11
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1.5x scale
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.