Home / 486,050.40-729,075.60-299,167.20

Finding the Fourth Proportional to 486,050.40, 729,075.60 and 299,167.20

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Solution

The fourth proportional to 486,050.40, 729,075.60 and 299,167.20 is: 448,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,050.40 : 729,075.60 = 299,167.20 : x
  2. Step 2: Convert to fraction form
    486,050.40/729,075.60 = 299,167.20/x
  3. Step 3: Cross multiply
    486,050.40x = 729,075.60 × 299,167.20
  4. Step 4: Simplify right side
    486,050.40x = 218,115,505,840.32
  5. Step 5: Solve for x
    x = 218,115,505,840.32/486,050.40
  6. Step 6: Final answer
    x = 448,750.80

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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.