Home / 1,011,250.77-1,516,289.31-478,767.30

Finding the Fourth Proportional to 1,011,250.77, 1,516,289.31 and 478,767.30

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Solution

The fourth proportional to 1,011,250.77, 1,516,289.31 and 478,767.30 is: 717,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,250.77 : 1,516,289.31 = 478,767.30 : x
  2. Step 2: Convert to fraction form
    1,011,250.77/1,516,289.31 = 478,767.30/x
  3. Step 3: Cross multiply
    1,011,250.77x = 1,516,289.31 × 478,767.30
  4. Step 4: Simplify right side
    1,011,250.77x = 725,949,738,967.56
  5. Step 5: Solve for x
    x = 725,949,738,967.56/1,011,250.77
  6. Step 6: Final answer
    x = 717,873.11

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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.