Home / 716,918.40-1,075,377.60-590,947.20

Finding the Fourth Proportional to 716,918.40, 1,075,377.60 and 590,947.20

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Solution

The fourth proportional to 716,918.40, 1,075,377.60 and 590,947.20 is: 886,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,918.40 : 1,075,377.60 = 590,947.20 : x
  2. Step 2: Convert to fraction form
    716,918.40/1,075,377.60 = 590,947.20/x
  3. Step 3: Cross multiply
    716,918.40x = 1,075,377.60 × 590,947.20
  4. Step 4: Simplify right side
    716,918.40x = 635,491,381,662.72
  5. Step 5: Solve for x
    x = 635,491,381,662.72/716,918.40
  6. Step 6: Final answer
    x = 886,420.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.