Finding the Fourth Proportional to 785,358.60, 1,177,085.52 and 358,309.44
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Solution
The fourth proportional to 785,358.60, 1,177,085.52 and 358,309.44 is: 537,029.65
Step by Step Solution
- Step 1: Write the proportion equation
785,358.60 : 1,177,085.52 = 358,309.44 : x - Step 2: Convert to fraction form
785,358.60/1,177,085.52 = 358,309.44/x - Step 3: Cross multiply
785,358.60x = 1,177,085.52 × 358,309.44 - Step 4: Simplify right side
785,358.60x = 421,760,853,503.31 - Step 5: Solve for x
x = 421,760,853,503.31/785,358.60 - Step 6: Final answer
x = 537,029.65
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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.