Finding the Fourth Proportional to 805,484.55, 1,111,564.72 and 474,532.63
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Solution
The fourth proportional to 805,484.55, 1,111,564.72 and 474,532.63 is: 654,852.69
Step by Step Solution
- Step 1: Write the proportion equation
805,484.55 : 1,111,564.72 = 474,532.63 : x - Step 2: Convert to fraction form
805,484.55/1,111,564.72 = 474,532.63/x - Step 3: Cross multiply
805,484.55x = 1,111,564.72 × 474,532.63 - Step 4: Simplify right side
805,484.55x = 527,473,727,811.07 - Step 5: Solve for x
x = 527,473,727,811.07/805,484.55 - Step 6: Final answer
x = 654,852.69
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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.