Finding the Fourth Proportional to 668,227.12, 999,946.18 and 578,579.09
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Solution
The fourth proportional to 668,227.12, 999,946.18 and 578,579.09 is: 865,795.37
Step by Step Solution
- Step 1: Write the proportion equation
668,227.12 : 999,946.18 = 578,579.09 : x - Step 2: Convert to fraction form
668,227.12/999,946.18 = 578,579.09/x - Step 3: Cross multiply
668,227.12x = 999,946.18 × 578,579.09 - Step 4: Simplify right side
668,227.12x = 578,547,946,596.87 - Step 5: Solve for x
x = 578,547,946,596.87/668,227.12 - Step 6: Final answer
x = 865,795.37
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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.