Finding the Fourth Proportional to 564,863.08, 779,510.12 and 310,214.26
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Solution
The fourth proportional to 564,863.08, 779,510.12 and 310,214.26 is: 428,095.17
Step by Step Solution
- Step 1: Write the proportion equation
564,863.08 : 779,510.12 = 310,214.26 : x - Step 2: Convert to fraction form
564,863.08/779,510.12 = 310,214.26/x - Step 3: Cross multiply
564,863.08x = 779,510.12 × 310,214.26 - Step 4: Simplify right side
564,863.08x = 241,815,155,038.31 - Step 5: Solve for x
x = 241,815,155,038.31/564,863.08 - Step 6: Final answer
x = 428,095.17
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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.