Finding the Fourth Proportional to 817,991.01, 1,128,535.36 and 473,638.95
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Solution
The fourth proportional to 817,991.01, 1,128,535.36 and 473,638.95 is: 653,452.54
Step by Step Solution
- Step 1: Write the proportion equation
817,991.01 : 1,128,535.36 = 473,638.95 : x - Step 2: Convert to fraction form
817,991.01/1,128,535.36 = 473,638.95/x - Step 3: Cross multiply
817,991.01x = 1,128,535.36 × 473,638.95 - Step 4: Simplify right side
817,991.01x = 534,518,302,948.27 - Step 5: Solve for x
x = 534,518,302,948.27/817,991.01 - Step 6: Final answer
x = 653,452.54
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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.