Finding the Fourth Proportional to 578,076.08, 797,746.19 and 319,970.66
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Solution
The fourth proportional to 578,076.08, 797,746.19 and 319,970.66 is: 441,560.17
Step by Step Solution
- Step 1: Write the proportion equation
578,076.08 : 797,746.19 = 319,970.66 : x - Step 2: Convert to fraction form
578,076.08/797,746.19 = 319,970.66/x - Step 3: Cross multiply
578,076.08x = 797,746.19 × 319,970.66 - Step 4: Simplify right side
578,076.08x = 255,255,369,338.20 - Step 5: Solve for x
x = 255,255,369,338.20/578,076.08 - Step 6: Final answer
x = 441,560.17
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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.