Finding the Fourth Proportional to 900,234.32, 1,242,476.12 and 518,482.12
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Solution
The fourth proportional to 900,234.32, 1,242,476.12 and 518,482.12 is: 715,593.31
Step by Step Solution
- Step 1: Write the proportion equation
900,234.32 : 1,242,476.12 = 518,482.12 : x - Step 2: Convert to fraction form
900,234.32/1,242,476.12 = 518,482.12/x - Step 3: Cross multiply
900,234.32x = 1,242,476.12 × 518,482.12 - Step 4: Simplify right side
900,234.32x = 644,201,652,746.98 - Step 5: Solve for x
x = 644,201,652,746.98/900,234.32 - Step 6: Final answer
x = 715,593.31
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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.