Finding the Fourth Proportional to 974,309.64, 1,344,492.99 and 538,701.77
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Solution
The fourth proportional to 974,309.64, 1,344,492.99 and 538,701.77 is: 743,378.41
Step by Step Solution
- Step 1: Write the proportion equation
974,309.64 : 1,344,492.99 = 538,701.77 : x - Step 2: Convert to fraction form
974,309.64/1,344,492.99 = 538,701.77/x - Step 3: Cross multiply
974,309.64x = 1,344,492.99 × 538,701.77 - Step 4: Simplify right side
974,309.64x = 724,280,746,743.13 - Step 5: Solve for x
x = 724,280,746,743.13/974,309.64 - Step 6: Final answer
x = 743,378.41
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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.