Finding the Fourth Proportional to 874,776.12, 1,312,563.98 and 395,132.16
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Solution
The fourth proportional to 874,776.12, 1,312,563.98 and 395,132.16 is: 592,878.83
Step by Step Solution
- Step 1: Write the proportion equation
874,776.12 : 1,312,563.98 = 395,132.16 : x - Step 2: Convert to fraction form
874,776.12/1,312,563.98 = 395,132.16/x - Step 3: Cross multiply
874,776.12x = 1,312,563.98 × 395,132.16 - Step 4: Simplify right side
874,776.12x = 518,636,240,555.60 - Step 5: Solve for x
x = 518,636,240,555.60/874,776.12 - Step 6: Final answer
x = 592,878.83
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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.