Finding the Fourth Proportional to 905,646, 1,249,292.25 and 735,584.88
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Solution
The fourth proportional to 905,646, 1,249,292.25 and 735,584.88 is: 1,014,701.65
Step by Step Solution
- Step 1: Write the proportion equation
905,646 : 1,249,292.25 = 735,584.88 : x - Step 2: Convert to fraction form
905,646/1,249,292.25 = 735,584.88/x - Step 3: Cross multiply
905,646x = 1,249,292.25 × 735,584.88 - Step 4: Simplify right side
905,646x = 918,960,489,801.18 - Step 5: Solve for x
x = 918,960,489,801.18/905,646 - Step 6: Final answer
x = 1,014,701.65
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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.