Finding the Fourth Proportional to 905,424.35, 1,249,412.48 and 523,475.75
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Solution
The fourth proportional to 905,424.35, 1,249,412.48 and 523,475.75 is: 722,354.26
Step by Step Solution
- Step 1: Write the proportion equation
905,424.35 : 1,249,412.48 = 523,475.75 : x - Step 2: Convert to fraction form
905,424.35/1,249,412.48 = 523,475.75/x - Step 3: Cross multiply
905,424.35x = 1,249,412.48 × 523,475.75 - Step 4: Simplify right side
905,424.35x = 654,037,132,409.98 - Step 5: Solve for x
x = 654,037,132,409.98/905,424.35 - Step 6: Final answer
x = 722,354.26
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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.