Finding the Fourth Proportional to 435,691.80, 653,537.70 and 424,027.80
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Solution
The fourth proportional to 435,691.80, 653,537.70 and 424,027.80 is: 636,041.70
Step by Step Solution
- Step 1: Write the proportion equation
435,691.80 : 653,537.70 = 424,027.80 : x - Step 2: Convert to fraction form
435,691.80/653,537.70 = 424,027.80/x - Step 3: Cross multiply
435,691.80x = 653,537.70 × 424,027.80 - Step 4: Simplify right side
435,691.80x = 277,118,153,148.06 - Step 5: Solve for x
x = 277,118,153,148.06/435,691.80 - Step 6: Final answer
x = 636,041.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.