Finding the Fourth Proportional to 970,547.20, 1,339,299.84 and 534,878.08
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Solution
The fourth proportional to 970,547.20, 1,339,299.84 and 534,878.08 is: 738,101.28
Step by Step Solution
- Step 1: Write the proportion equation
970,547.20 : 1,339,299.84 = 534,878.08 : x - Step 2: Convert to fraction form
970,547.20/1,339,299.84 = 534,878.08/x - Step 3: Cross multiply
970,547.20x = 1,339,299.84 × 534,878.08 - Step 4: Simplify right side
970,547.20x = 716,362,126,963.51 - Step 5: Solve for x
x = 716,362,126,963.51/970,547.20 - Step 6: Final answer
x = 738,101.28
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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.