Finding the Fourth Proportional to 554,024.05, 831,036.08 and 459,545.65
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Solution
The fourth proportional to 554,024.05, 831,036.08 and 459,545.65 is: 689,318.48
Step by Step Solution
- Step 1: Write the proportion equation
554,024.05 : 831,036.08 = 459,545.65 : x - Step 2: Convert to fraction form
554,024.05/831,036.08 = 459,545.65/x - Step 3: Cross multiply
554,024.05x = 831,036.08 × 459,545.65 - Step 4: Simplify right side
554,024.05x = 381,899,013,259.32 - Step 5: Solve for x
x = 381,899,013,259.32/554,024.05 - Step 6: Final answer
x = 689,318.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.