Finding the Fourth Proportional to 626,374.24, 864,398.84 and 339,894.32
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Solution
The fourth proportional to 626,374.24, 864,398.84 and 339,894.32 is: 469,055.45
Step by Step Solution
- Step 1: Write the proportion equation
626,374.24 : 864,398.84 = 339,894.32 : x - Step 2: Convert to fraction form
626,374.24/864,398.84 = 339,894.32/x - Step 3: Cross multiply
626,374.24x = 864,398.84 × 339,894.32 - Step 4: Simplify right side
626,374.24x = 293,804,249,909.12 - Step 5: Solve for x
x = 293,804,249,909.12/626,374.24 - Step 6: Final answer
x = 469,055.45
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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.