Finding the Fourth Proportional to 963,528.08, 1,329,616.37 and 533,782.58
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Solution
The fourth proportional to 963,528.08, 1,329,616.37 and 533,782.58 is: 736,590.94
Step by Step Solution
- Step 1: Write the proportion equation
963,528.08 : 1,329,616.37 = 533,782.58 : x - Step 2: Convert to fraction form
963,528.08/1,329,616.37 = 533,782.58/x - Step 3: Cross multiply
963,528.08x = 1,329,616.37 × 533,782.58 - Step 4: Simplify right side
963,528.08x = 709,726,051,075.21 - Step 5: Solve for x
x = 709,726,051,075.21/963,528.08 - Step 6: Final answer
x = 736,590.94
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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.