Finding the Fourth Proportional to 940,420.79, 1,298,177.99 and 634,911.02
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Solution
The fourth proportional to 940,420.79, 1,298,177.99 and 634,911.02 is: 876,445.44
Step by Step Solution
- Step 1: Write the proportion equation
940,420.79 : 1,298,177.99 = 634,911.02 : x - Step 2: Convert to fraction form
940,420.79/1,298,177.99 = 634,911.02/x - Step 3: Cross multiply
940,420.79x = 1,298,177.99 × 634,911.02 - Step 4: Simplify right side
940,420.79x = 824,227,506,868.84 - Step 5: Solve for x
x = 824,227,506,868.84/940,420.79 - Step 6: Final answer
x = 876,445.44
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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.