Finding the Fourth Proportional to 1,070,297.02, 1,605,681.68 and 312,197.80
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Solution
The fourth proportional to 1,070,297.02, 1,605,681.68 and 312,197.80 is: 468,365.58
Step by Step Solution
- Step 1: Write the proportion equation
1,070,297.02 : 1,605,681.68 = 312,197.80 : x - Step 2: Convert to fraction form
1,070,297.02/1,605,681.68 = 312,197.80/x - Step 3: Cross multiply
1,070,297.02x = 1,605,681.68 × 312,197.80 - Step 4: Simplify right side
1,070,297.02x = 501,290,287,996.30 - Step 5: Solve for x
x = 501,290,287,996.30/1,070,297.02 - Step 6: Final answer
x = 468,365.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.