Finding the Fourth Proportional to 660,545.08, 911,547.07 and 358,739.08
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Solution
The fourth proportional to 660,545.08, 911,547.07 and 358,739.08 is: 495,057.14
Step by Step Solution
- Step 1: Write the proportion equation
660,545.08 : 911,547.07 = 358,739.08 : x - Step 2: Convert to fraction form
660,545.08/911,547.07 = 358,739.08/x - Step 3: Cross multiply
660,545.08x = 911,547.07 × 358,739.08 - Step 4: Simplify right side
660,545.08x = 327,007,554,092.78 - Step 5: Solve for x
x = 327,007,554,092.78/660,545.08 - Step 6: Final answer
x = 495,057.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.