Finding the Fourth Proportional to 924,995.84, 1,387,474.32 and 426,359.84
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Solution
The fourth proportional to 924,995.84, 1,387,474.32 and 426,359.84 is: 639,530.80
Step by Step Solution
- Step 1: Write the proportion equation
924,995.84 : 1,387,474.32 = 426,359.84 : x - Step 2: Convert to fraction form
924,995.84/1,387,474.32 = 426,359.84/x - Step 3: Cross multiply
924,995.84x = 1,387,474.32 × 426,359.84 - Step 4: Simplify right side
924,995.84x = 591,563,329,079.31 - Step 5: Solve for x
x = 591,563,329,079.31/924,995.84 - Step 6: Final answer
x = 639,530.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.