Home / 787,995.90-1,182,868.65-488,814.30

Finding the Fourth Proportional to 787,995.90, 1,182,868.65 and 488,814.30

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Solution

The fourth proportional to 787,995.90, 1,182,868.65 and 488,814.30 is: 733,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,995.90 : 1,182,868.65 = 488,814.30 : x
  2. Step 2: Convert to fraction form
    787,995.90/1,182,868.65 = 488,814.30/x
  3. Step 3: Cross multiply
    787,995.90x = 1,182,868.65 × 488,814.30
  4. Step 4: Simplify right side
    787,995.90x = 578,203,111,141.70
  5. Step 5: Solve for x
    x = 578,203,111,141.70/787,995.90
  6. Step 6: Final answer
    x = 733,764.11

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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.