Finding the Fourth Proportional to 563,044.09, 776,992.09 and 321,320.45
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Solution
The fourth proportional to 563,044.09, 776,992.09 and 321,320.45 is: 443,417.23
Step by Step Solution
- Step 1: Write the proportion equation
563,044.09 : 776,992.09 = 321,320.45 : x - Step 2: Convert to fraction form
563,044.09/776,992.09 = 321,320.45/x - Step 3: Cross multiply
563,044.09x = 776,992.09 × 321,320.45 - Step 4: Simplify right side
563,044.09x = 249,663,448,005.24 - Step 5: Solve for x
x = 249,663,448,005.24/563,044.09 - Step 6: Final answer
x = 443,417.23
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1.5x scale
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.