Finding the Fourth Proportional to 933,811.84, 1,288,708.28 and 571,121.92
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Solution
The fourth proportional to 933,811.84, 1,288,708.28 and 571,121.92 is: 788,177.57
Step by Step Solution
- Step 1: Write the proportion equation
933,811.84 : 1,288,708.28 = 571,121.92 : x - Step 2: Convert to fraction form
933,811.84/1,288,708.28 = 571,121.92/x - Step 3: Cross multiply
933,811.84x = 1,288,708.28 × 571,121.92 - Step 4: Simplify right side
933,811.84x = 736,009,547,193.50 - Step 5: Solve for x
x = 736,009,547,193.50/933,811.84 - Step 6: Final answer
x = 788,177.57
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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.