Finding the Fourth Proportional to 626,206.55, 864,166.71 and 339,726.63
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Solution
The fourth proportional to 626,206.55, 864,166.71 and 339,726.63 is: 468,823.66
Step by Step Solution
- Step 1: Write the proportion equation
626,206.55 : 864,166.71 = 339,726.63 : x - Step 2: Convert to fraction form
626,206.55/864,166.71 = 339,726.63/x - Step 3: Cross multiply
626,206.55x = 864,166.71 × 339,726.63 - Step 4: Simplify right side
626,206.55x = 293,580,446,113.14 - Step 5: Solve for x
x = 293,580,446,113.14/626,206.55 - Step 6: Final answer
x = 468,823.66
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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.