Finding the Fourth Proportional to 578,108.06, 797,768.75 and 319,985.50
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Solution
The fourth proportional to 578,108.06, 797,768.75 and 319,985.50 is: 441,568.71
Step by Step Solution
- Step 1: Write the proportion equation
578,108.06 : 797,768.75 = 319,985.50 : x - Step 2: Convert to fraction form
578,108.06/797,768.75 = 319,985.50/x - Step 3: Cross multiply
578,108.06x = 797,768.75 × 319,985.50 - Step 4: Simplify right side
578,108.06x = 255,274,432,353.13 - Step 5: Solve for x
x = 255,274,432,353.13/578,108.06 - Step 6: Final answer
x = 441,568.71
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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.