Finding the Fourth Proportional to 986,844.06, 1,361,848.88 and 534,135.06
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Solution
The fourth proportional to 986,844.06, 1,361,848.88 and 534,135.06 is: 737,108.59
Step by Step Solution
- Step 1: Write the proportion equation
986,844.06 : 1,361,848.88 = 534,135.06 : x - Step 2: Convert to fraction form
986,844.06/1,361,848.88 = 534,135.06/x - Step 3: Cross multiply
986,844.06x = 1,361,848.88 × 534,135.06 - Step 4: Simplify right side
986,844.06x = 727,411,234,565.07 - Step 5: Solve for x
x = 727,411,234,565.07/986,844.06 - Step 6: Final answer
x = 737,108.59
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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.