Finding the Fourth Proportional to 746,070.72, 1,029,545.28 and 423,779.84
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Solution
The fourth proportional to 746,070.72, 1,029,545.28 and 423,779.84 is: 584,797.82
Step by Step Solution
- Step 1: Write the proportion equation
746,070.72 : 1,029,545.28 = 423,779.84 : x - Step 2: Convert to fraction form
746,070.72/1,029,545.28 = 423,779.84/x - Step 3: Cross multiply
746,070.72x = 1,029,545.28 × 423,779.84 - Step 4: Simplify right side
746,070.72x = 436,300,534,031.16 - Step 5: Solve for x
x = 436,300,534,031.16/746,070.72 - Step 6: Final answer
x = 584,797.82
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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.