Home / 785,551.61-1,084,061.93-446,019.86

Finding the Fourth Proportional to 785,551.61, 1,084,061.93 and 446,019.86

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Solution

The fourth proportional to 785,551.61, 1,084,061.93 and 446,019.86 is: 615,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,551.61 : 1,084,061.93 = 446,019.86 : x
  2. Step 2: Convert to fraction form
    785,551.61/1,084,061.93 = 446,019.86/x
  3. Step 3: Cross multiply
    785,551.61x = 1,084,061.93 × 446,019.86
  4. Step 4: Simplify right side
    785,551.61x = 483,513,150,249.93
  5. Step 5: Solve for x
    x = 483,513,150,249.93/785,551.61
  6. Step 6: Final answer
    x = 615,507.81

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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.