Home / 816,542.60-1,224,852.30-255,595.40

Finding the Fourth Proportional to 816,542.60, 1,224,852.30 and 255,595.40

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Solution

The fourth proportional to 816,542.60, 1,224,852.30 and 255,595.40 is: 383,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,542.60 : 1,224,852.30 = 255,595.40 : x
  2. Step 2: Convert to fraction form
    816,542.60/1,224,852.30 = 255,595.40/x
  3. Step 3: Cross multiply
    816,542.60x = 1,224,852.30 × 255,595.40
  4. Step 4: Simplify right side
    816,542.60x = 313,066,613,559.42
  5. Step 5: Solve for x
    x = 313,066,613,559.42/816,542.60
  6. Step 6: Final answer
    x = 383,405.12

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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.