Finding the Fourth Proportional to 1,023,373.84, 1,412,257.26 and 564,478.12
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Solution
The fourth proportional to 1,023,373.84, 1,412,257.26 and 564,478.12 is: 778,980.56
Step by Step Solution
- Step 1: Write the proportion equation
1,023,373.84 : 1,412,257.26 = 564,478.12 : x - Step 2: Convert to fraction form
1,023,373.84/1,412,257.26 = 564,478.12/x - Step 3: Cross multiply
1,023,373.84x = 1,412,257.26 × 564,478.12 - Step 4: Simplify right side
1,023,373.84x = 797,188,323,081.15 - Step 5: Solve for x
x = 797,188,323,081.15/1,023,373.84 - Step 6: Final answer
x = 778,980.56
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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.