Finding the Fourth Proportional to 815,558.72, 1,125,439.71 and 453,005.75
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Solution
The fourth proportional to 815,558.72, 1,125,439.71 and 453,005.75 is: 625,130.53
Step by Step Solution
- Step 1: Write the proportion equation
815,558.72 : 1,125,439.71 = 453,005.75 : x - Step 2: Convert to fraction form
815,558.72/1,125,439.71 = 453,005.75/x - Step 3: Cross multiply
815,558.72x = 1,125,439.71 × 453,005.75 - Step 4: Simplify right side
815,558.72x = 509,830,654,281.13 - Step 5: Solve for x
x = 509,830,654,281.13/815,558.72 - Step 6: Final answer
x = 625,130.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.