Finding the Fourth Proportional to 709,890.18, 1,059,402.26 and 634,159.83
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Solution
The fourth proportional to 709,890.18, 1,059,402.26 and 634,159.83 is: 946,386.32
Step by Step Solution
- Step 1: Write the proportion equation
709,890.18 : 1,059,402.26 = 634,159.83 : x - Step 2: Convert to fraction form
709,890.18/1,059,402.26 = 634,159.83/x - Step 3: Cross multiply
709,890.18x = 1,059,402.26 × 634,159.83 - Step 4: Simplify right side
709,890.18x = 671,830,357,103.22 - Step 5: Solve for x
x = 671,830,357,103.22/709,890.18 - Step 6: Final answer
x = 946,386.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.