Finding the Fourth Proportional to 709,780.70, 1,064,671.05 and 569,812.70
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Solution
The fourth proportional to 709,780.70, 1,064,671.05 and 569,812.70 is: 854,719.05
Step by Step Solution
- Step 1: Write the proportion equation
709,780.70 : 1,064,671.05 = 569,812.70 : x - Step 2: Convert to fraction form
709,780.70/1,064,671.05 = 569,812.70/x - Step 3: Cross multiply
709,780.70x = 1,064,671.05 × 569,812.70 - Step 4: Simplify right side
709,780.70x = 606,663,085,612.34 - Step 5: Solve for x
x = 606,663,085,612.34/709,780.70 - Step 6: Final answer
x = 854,719.05
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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.