Finding the Fourth Proportional to 986,345.75, 1,478,210.68 and 506,554.20
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Solution
The fourth proportional to 986,345.75, 1,478,210.68 and 506,554.20 is: 759,159.58
Step by Step Solution
- Step 1: Write the proportion equation
986,345.75 : 1,478,210.68 = 506,554.20 : x - Step 2: Convert to fraction form
986,345.75/1,478,210.68 = 506,554.20/x - Step 3: Cross multiply
986,345.75x = 1,478,210.68 × 506,554.20 - Step 4: Simplify right side
986,345.75x = 748,793,829,072.05 - Step 5: Solve for x
x = 748,793,829,072.05/986,345.75 - Step 6: Final answer
x = 759,159.58
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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.