Finding the Fourth Proportional to 424,726.47, 637,089.05 and 291,201.93
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Solution
The fourth proportional to 424,726.47, 637,089.05 and 291,201.93 is: 436,802.45
Step by Step Solution
- Step 1: Write the proportion equation
424,726.47 : 637,089.05 = 291,201.93 : x - Step 2: Convert to fraction form
424,726.47/637,089.05 = 291,201.93/x - Step 3: Cross multiply
424,726.47x = 637,089.05 × 291,201.93 - Step 4: Simplify right side
424,726.47x = 185,521,561,669.87 - Step 5: Solve for x
x = 185,521,561,669.87/424,726.47 - Step 6: Final answer
x = 436,802.45
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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.