Home / 778,404.60-1,167,995.70-441,703.80

Finding the Fourth Proportional to 778,404.60, 1,167,995.70 and 441,703.80

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Solution

The fourth proportional to 778,404.60, 1,167,995.70 and 441,703.80 is: 662,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,404.60 : 1,167,995.70 = 441,703.80 : x
  2. Step 2: Convert to fraction form
    778,404.60/1,167,995.70 = 441,703.80/x
  3. Step 3: Cross multiply
    778,404.60x = 1,167,995.70 × 441,703.80
  4. Step 4: Simplify right side
    778,404.60x = 515,908,139,073.66
  5. Step 5: Solve for x
    x = 515,908,139,073.66/778,404.60
  6. Step 6: Final answer
    x = 662,776.32

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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.