Finding the Fourth Proportional to 708,341.74, 977,483.14 and 386,044.94
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Solution
The fourth proportional to 708,341.74, 977,483.14 and 386,044.94 is: 532,726.51
Step by Step Solution
- Step 1: Write the proportion equation
708,341.74 : 977,483.14 = 386,044.94 : x - Step 2: Convert to fraction form
708,341.74/977,483.14 = 386,044.94/x - Step 3: Cross multiply
708,341.74x = 977,483.14 × 386,044.94 - Step 4: Simplify right side
708,341.74x = 377,352,420,132.31 - Step 5: Solve for x
x = 377,352,420,132.31/708,341.74 - Step 6: Final answer
x = 532,726.51
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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.