Finding the Fourth Proportional to 859,746.69, 1,288,397.95 and 633,326.58
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Solution
The fourth proportional to 859,746.69, 1,288,397.95 and 633,326.58 is: 949,089.63
Step by Step Solution
- Step 1: Write the proportion equation
859,746.69 : 1,288,397.95 = 633,326.58 : x - Step 2: Convert to fraction form
859,746.69/1,288,397.95 = 633,326.58/x - Step 3: Cross multiply
859,746.69x = 1,288,397.95 × 633,326.58 - Step 4: Simplify right side
859,746.69x = 815,976,665,769.20 - Step 5: Solve for x
x = 815,976,665,769.20/859,746.69 - Step 6: Final answer
x = 949,089.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.