Finding the Fourth Proportional to 955,276.79, 1,318,281.92 and 525,547.70
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Solution
The fourth proportional to 955,276.79, 1,318,281.92 and 525,547.70 is: 725,255.79
Step by Step Solution
- Step 1: Write the proportion equation
955,276.79 : 1,318,281.92 = 525,547.70 : x - Step 2: Convert to fraction form
955,276.79/1,318,281.92 = 525,547.70/x - Step 3: Cross multiply
955,276.79x = 1,318,281.92 × 525,547.70 - Step 4: Simplify right side
955,276.79x = 692,820,021,788.44 - Step 5: Solve for x
x = 692,820,021,788.44/955,276.79 - Step 6: Final answer
x = 725,255.79
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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.