Finding the Fourth Proportional to 717,644.58, 1,070,031.86 and 691,712.70
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Solution
The fourth proportional to 717,644.58, 1,070,031.86 and 691,712.70 is: 1,031,366.56
Step by Step Solution
- Step 1: Write the proportion equation
717,644.58 : 1,070,031.86 = 691,712.70 : x - Step 2: Convert to fraction form
717,644.58/1,070,031.86 = 691,712.70/x - Step 3: Cross multiply
717,644.58x = 1,070,031.86 × 691,712.70 - Step 4: Simplify right side
717,644.58x = 740,154,623,508.06 - Step 5: Solve for x
x = 740,154,623,508.06/717,644.58 - Step 6: Final answer
x = 1,031,366.56
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.