Finding the Fourth Proportional to 1,029,545.24, 1,420,291.87 and 647,782.52
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Solution
The fourth proportional to 1,029,545.24, 1,420,291.87 and 647,782.52 is: 893,637.51
Step by Step Solution
- Step 1: Write the proportion equation
1,029,545.24 : 1,420,291.87 = 647,782.52 : x - Step 2: Convert to fraction form
1,029,545.24/1,420,291.87 = 647,782.52/x - Step 3: Cross multiply
1,029,545.24x = 1,420,291.87 × 647,782.52 - Step 4: Simplify right side
1,029,545.24x = 920,040,237,963.20 - Step 5: Solve for x
x = 920,040,237,963.20/1,029,545.24 - Step 6: Final answer
x = 893,637.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.