Finding the Fourth Proportional to 489,246.90, 732,703.95 and 489,246.90
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Solution
The fourth proportional to 489,246.90, 732,703.95 and 489,246.90 is: 732,703.95
Step by Step Solution
- Step 1: Write the proportion equation
489,246.90 : 732,703.95 = 489,246.90 : x - Step 2: Convert to fraction form
489,246.90/732,703.95 = 489,246.90/x - Step 3: Cross multiply
489,246.90x = 732,703.95 × 489,246.90 - Step 4: Simplify right side
489,246.90x = 358,473,136,155.26 - Step 5: Solve for x
x = 358,473,136,155.26/489,246.90 - Step 6: Final answer
x = 732,703.95
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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.