Finding the Fourth Proportional to 988,248.69, 1,363,746.65 and 535,529.97
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Solution
The fourth proportional to 988,248.69, 1,363,746.65 and 535,529.97 is: 739,011.55
Step by Step Solution
- Step 1: Write the proportion equation
988,248.69 : 1,363,746.65 = 535,529.97 : x - Step 2: Convert to fraction form
988,248.69/1,363,746.65 = 535,529.97/x - Step 3: Cross multiply
988,248.69x = 1,363,746.65 × 535,529.97 - Step 4: Simplify right side
988,248.69x = 730,327,199,884.45 - Step 5: Solve for x
x = 730,327,199,884.45/988,248.69 - Step 6: Final answer
x = 739,011.55
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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.