Finding the Fourth Proportional to 913,337.60, 1,261,026.08 and 569,311.16
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Solution
The fourth proportional to 913,337.60, 1,261,026.08 and 569,311.16 is: 786,035.99
Step by Step Solution
- Step 1: Write the proportion equation
913,337.60 : 1,261,026.08 = 569,311.16 : x - Step 2: Convert to fraction form
913,337.60/1,261,026.08 = 569,311.16/x - Step 3: Cross multiply
913,337.60x = 1,261,026.08 × 569,311.16 - Step 4: Simplify right side
913,337.60x = 717,916,220,395.05 - Step 5: Solve for x
x = 717,916,220,395.05/913,337.60 - Step 6: Final answer
x = 786,035.99
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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.