Finding the Fourth Proportional to 936,477.18, 1,292,341.98 and 506,757.30
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Solution
The fourth proportional to 936,477.18, 1,292,341.98 and 506,757.30 is: 699,326.95
Step by Step Solution
- Step 1: Write the proportion equation
936,477.18 : 1,292,341.98 = 506,757.30 : x - Step 2: Convert to fraction form
936,477.18/1,292,341.98 = 506,757.30/x - Step 3: Cross multiply
936,477.18x = 1,292,341.98 × 506,757.30 - Step 4: Simplify right side
936,477.18x = 654,903,732,461.45 - Step 5: Solve for x
x = 654,903,732,461.45/936,477.18 - Step 6: Final answer
x = 699,326.95
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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.