Finding the Fourth Proportional to 926,459.58, 1,386,985.05 and 570,405.18
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Solution
The fourth proportional to 926,459.58, 1,386,985.05 and 570,405.18 is: 853,942.77
Step by Step Solution
- Step 1: Write the proportion equation
926,459.58 : 1,386,985.05 = 570,405.18 : x - Step 2: Convert to fraction form
926,459.58/1,386,985.05 = 570,405.18/x - Step 3: Cross multiply
926,459.58x = 1,386,985.05 × 570,405.18 - Step 4: Simplify right side
926,459.58x = 791,143,457,102.56 - Step 5: Solve for x
x = 791,143,457,102.56/926,459.58 - Step 6: Final answer
x = 853,942.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.