Home / 785,739.18-1,084,327.65-446,209.86

Finding the Fourth Proportional to 785,739.18, 1,084,327.65 and 446,209.86

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Solution

The fourth proportional to 785,739.18, 1,084,327.65 and 446,209.86 is: 615,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,739.18 : 1,084,327.65 = 446,209.86 : x
  2. Step 2: Convert to fraction form
    785,739.18/1,084,327.65 = 446,209.86/x
  3. Step 3: Cross multiply
    785,739.18x = 1,084,327.65 × 446,209.86
  4. Step 4: Simplify right side
    785,739.18x = 483,837,688,900.63
  5. Step 5: Solve for x
    x = 483,837,688,900.63/785,739.18
  6. Step 6: Final answer
    x = 615,773.91

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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.