Home / 880,368.60-1,320,552.90-455,215.80

Finding the Fourth Proportional to 880,368.60, 1,320,552.90 and 455,215.80

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Solution

The fourth proportional to 880,368.60, 1,320,552.90 and 455,215.80 is: 682,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,368.60 : 1,320,552.90 = 455,215.80 : x
  2. Step 2: Convert to fraction form
    880,368.60/1,320,552.90 = 455,215.80/x
  3. Step 3: Cross multiply
    880,368.60x = 1,320,552.90 × 455,215.80
  4. Step 4: Simplify right side
    880,368.60x = 601,136,544,815.82
  5. Step 5: Solve for x
    x = 601,136,544,815.82/880,368.60
  6. Step 6: Final answer
    x = 682,823.70

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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.