Finding the Fourth Proportional to 778,575.84, 1,074,434.76 and 439,044.18
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Solution
The fourth proportional to 778,575.84, 1,074,434.76 and 439,044.18 is: 605,881.03
Step by Step Solution
- Step 1: Write the proportion equation
778,575.84 : 1,074,434.76 = 439,044.18 : x - Step 2: Convert to fraction form
778,575.84/1,074,434.76 = 439,044.18/x - Step 3: Cross multiply
778,575.84x = 1,074,434.76 × 439,044.18 - Step 4: Simplify right side
778,575.84x = 471,724,328,167.70 - Step 5: Solve for x
x = 471,724,328,167.70/778,575.84 - Step 6: Final answer
x = 605,881.03
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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.