Finding the Fourth Proportional to 747,965.84, 1,121,117.72 and 569,885.76
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Solution
The fourth proportional to 747,965.84, 1,121,117.72 and 569,885.76 is: 854,195.46
Step by Step Solution
- Step 1: Write the proportion equation
747,965.84 : 1,121,117.72 = 569,885.76 : x - Step 2: Convert to fraction form
747,965.84/1,121,117.72 = 569,885.76/x - Step 3: Cross multiply
747,965.84x = 1,121,117.72 × 569,885.76 - Step 4: Simplify right side
747,965.84x = 638,909,023,911.67 - Step 5: Solve for x
x = 638,909,023,911.67/747,965.84 - Step 6: Final answer
x = 854,195.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.