Finding the Fourth Proportional to 779,987.98, 1,075,342.52 and 619,374.70
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Solution
The fourth proportional to 779,987.98, 1,075,342.52 and 619,374.70 is: 853,910.53
Step by Step Solution
- Step 1: Write the proportion equation
779,987.98 : 1,075,342.52 = 619,374.70 : x - Step 2: Convert to fraction form
779,987.98/1,075,342.52 = 619,374.70/x - Step 3: Cross multiply
779,987.98x = 1,075,342.52 × 619,374.70 - Step 4: Simplify right side
779,987.98x = 666,039,950,722.24 - Step 5: Solve for x
x = 666,039,950,722.24/779,987.98 - Step 6: Final answer
x = 853,910.53
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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.