Finding the Fourth Proportional to 963,306.18, 1,329,406.30 and 533,586.26
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Solution
The fourth proportional to 963,306.18, 1,329,406.30 and 533,586.26 is: 736,373.28
Step by Step Solution
- Step 1: Write the proportion equation
963,306.18 : 1,329,406.30 = 533,586.26 : x - Step 2: Convert to fraction form
963,306.18/1,329,406.30 = 533,586.26/x - Step 3: Cross multiply
963,306.18x = 1,329,406.30 × 533,586.26 - Step 4: Simplify right side
963,306.18x = 709,352,935,637.44 - Step 5: Solve for x
x = 709,352,935,637.44/963,306.18 - Step 6: Final answer
x = 736,373.28
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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.