Finding the Fourth Proportional to 861,551.17, 1,293,124.66 and 435,386.88
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Solution
The fourth proportional to 861,551.17, 1,293,124.66 and 435,386.88 is: 653,483.54
Step by Step Solution
- Step 1: Write the proportion equation
861,551.17 : 1,293,124.66 = 435,386.88 : x - Step 2: Convert to fraction form
861,551.17/1,293,124.66 = 435,386.88/x - Step 3: Cross multiply
861,551.17x = 1,293,124.66 × 435,386.88 - Step 4: Simplify right side
861,551.17x = 563,009,510,079.99 - Step 5: Solve for x
x = 563,009,510,079.99/861,551.17 - Step 6: Final answer
x = 653,483.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.