Home / 1,077,846.80-1,617,353.40-478,900.40

Finding the Fourth Proportional to 1,077,846.80, 1,617,353.40 and 478,900.40

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Solution

The fourth proportional to 1,077,846.80, 1,617,353.40 and 478,900.40 is: 718,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,846.80 : 1,617,353.40 = 478,900.40 : x
  2. Step 2: Convert to fraction form
    1,077,846.80/1,617,353.40 = 478,900.40/x
  3. Step 3: Cross multiply
    1,077,846.80x = 1,617,353.40 × 478,900.40
  4. Step 4: Simplify right side
    1,077,846.80x = 774,551,190,201.36
  5. Step 5: Solve for x
    x = 774,551,190,201.36/1,077,846.80
  6. Step 6: Final answer
    x = 718,609.72

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1.5x scale

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.