Finding the Fourth Proportional to 905,479.08, 1,249,465.68 and 523,628.88
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Solution
The fourth proportional to 905,479.08, 1,249,465.68 and 523,628.88 is: 722,552.66
Step by Step Solution
- Step 1: Write the proportion equation
905,479.08 : 1,249,465.68 = 523,628.88 : x - Step 2: Convert to fraction form
905,479.08/1,249,465.68 = 523,628.88/x - Step 3: Cross multiply
905,479.08x = 1,249,465.68 × 523,628.88 - Step 4: Simplify right side
905,479.08x = 654,256,314,616.84 - Step 5: Solve for x
x = 654,256,314,616.84/905,479.08 - Step 6: Final answer
x = 722,552.66
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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.