Finding the Fourth Proportional to 785,209.14, 1,172,494.58 and 623,470.23
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Solution
The fourth proportional to 785,209.14, 1,172,494.58 and 623,470.23 is: 930,981.86
Step by Step Solution
- Step 1: Write the proportion equation
785,209.14 : 1,172,494.58 = 623,470.23 : x - Step 2: Convert to fraction form
785,209.14/1,172,494.58 = 623,470.23/x - Step 3: Cross multiply
785,209.14x = 1,172,494.58 × 623,470.23 - Step 4: Simplify right side
785,209.14x = 731,015,462,349.00 - Step 5: Solve for x
x = 731,015,462,349.00/785,209.14 - Step 6: Final answer
x = 930,981.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.