Finding the Fourth Proportional to 948,746.84, 1,309,259.82 and 519,021.98
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Solution
The fourth proportional to 948,746.84, 1,309,259.82 and 519,021.98 is: 716,244.41
Step by Step Solution
- Step 1: Write the proportion equation
948,746.84 : 1,309,259.82 = 519,021.98 : x - Step 2: Convert to fraction form
948,746.84/1,309,259.82 = 519,021.98/x - Step 3: Cross multiply
948,746.84x = 1,309,259.82 × 519,021.98 - Step 4: Simplify right side
948,746.84x = 679,534,624,110.84 - Step 5: Solve for x
x = 679,534,624,110.84/948,746.84 - Step 6: Final answer
x = 716,244.41
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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.