Home / 779,917.60-1,167,908.10-512,228.80

Finding the Fourth Proportional to 779,917.60, 1,167,908.10 and 512,228.80

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Solution

The fourth proportional to 779,917.60, 1,167,908.10 and 512,228.80 is: 767,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,917.60 : 1,167,908.10 = 512,228.80 : x
  2. Step 2: Convert to fraction form
    779,917.60/1,167,908.10 = 512,228.80/x
  3. Step 3: Cross multiply
    779,917.60x = 1,167,908.10 × 512,228.80
  4. Step 4: Simplify right side
    779,917.60x = 598,236,164,573.28
  5. Step 5: Solve for x
    x = 598,236,164,573.28/779,917.60
  6. Step 6: Final answer
    x = 767,050.47

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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.