Finding the Fourth Proportional to 992,973.88, 1,370,263.02 and 540,266.68
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Solution
The fourth proportional to 992,973.88, 1,370,263.02 and 540,266.68 is: 745,545.75
Step by Step Solution
- Step 1: Write the proportion equation
992,973.88 : 1,370,263.02 = 540,266.68 : x - Step 2: Convert to fraction form
992,973.88/1,370,263.02 = 540,266.68/x - Step 3: Cross multiply
992,973.88x = 1,370,263.02 × 540,266.68 - Step 4: Simplify right side
992,973.88x = 740,307,452,542.17 - Step 5: Solve for x
x = 740,307,452,542.17/992,973.88 - Step 6: Final answer
x = 745,545.75
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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.