Home / 899,249.60-1,348,658.40-519,348.80

Finding the Fourth Proportional to 899,249.60, 1,348,658.40 and 519,348.80

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Solution

The fourth proportional to 899,249.60, 1,348,658.40 and 519,348.80 is: 778,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,249.60 : 1,348,658.40 = 519,348.80 : x
  2. Step 2: Convert to fraction form
    899,249.60/1,348,658.40 = 519,348.80/x
  3. Step 3: Cross multiply
    899,249.60x = 1,348,658.40 × 519,348.80
  4. Step 4: Simplify right side
    899,249.60x = 700,424,121,649.92
  5. Step 5: Solve for x
    x = 700,424,121,649.92/899,249.60
  6. Step 6: Final answer
    x = 778,898.45

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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.