Finding the Fourth Proportional to 961,090.60, 1,326,281.68 and 531,359.68
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Solution
The fourth proportional to 961,090.60, 1,326,281.68 and 531,359.68 is: 733,263.45
Step by Step Solution
- Step 1: Write the proportion equation
961,090.60 : 1,326,281.68 = 531,359.68 : x - Step 2: Convert to fraction form
961,090.60/1,326,281.68 = 531,359.68/x - Step 3: Cross multiply
961,090.60x = 1,326,281.68 × 531,359.68 - Step 4: Simplify right side
961,090.60x = 704,732,609,074.66 - Step 5: Solve for x
x = 704,732,609,074.66/961,090.60 - Step 6: Final answer
x = 733,263.45
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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.