Home / 785,742.93-1,084,332.83-446,213.61

Finding the Fourth Proportional to 785,742.93, 1,084,332.83 and 446,213.61

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Solution

The fourth proportional to 785,742.93, 1,084,332.83 and 446,213.61 is: 615,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,742.93 : 1,084,332.83 = 446,213.61 : x
  2. Step 2: Convert to fraction form
    785,742.93/1,084,332.83 = 446,213.61/x
  3. Step 3: Cross multiply
    785,742.93x = 1,084,332.83 × 446,213.61
  4. Step 4: Simplify right side
    785,742.93x = 483,844,064,284.75
  5. Step 5: Solve for x
    x = 483,844,064,284.75/785,742.93
  6. Step 6: Final answer
    x = 615,779.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.