Finding the Fourth Proportional to 735,209.70, 1,103,851.35 and 455,273.70
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Solution
The fourth proportional to 735,209.70, 1,103,851.35 and 455,273.70 is: 683,552.58
Step by Step Solution
- Step 1: Write the proportion equation
735,209.70 : 1,103,851.35 = 455,273.70 : x - Step 2: Convert to fraction form
735,209.70/1,103,851.35 = 455,273.70/x - Step 3: Cross multiply
735,209.70x = 1,103,851.35 × 455,273.70 - Step 4: Simplify right side
735,209.70x = 502,554,488,364.50 - Step 5: Solve for x
x = 502,554,488,364.50/735,209.70 - Step 6: Final answer
x = 683,552.58
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1.5x scale
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.