Home / 887,410.85-1,332,355.69-455,430.51

Finding the Fourth Proportional to 887,410.85, 1,332,355.69 and 455,430.51

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Solution

The fourth proportional to 887,410.85, 1,332,355.69 and 455,430.51 is: 683,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,410.85 : 1,332,355.69 = 455,430.51 : x
  2. Step 2: Convert to fraction form
    887,410.85/1,332,355.69 = 455,430.51/x
  3. Step 3: Cross multiply
    887,410.85x = 1,332,355.69 × 455,430.51
  4. Step 4: Simplify right side
    887,410.85x = 606,795,425,658.34
  5. Step 5: Solve for x
    x = 606,795,425,658.34/887,410.85
  6. Step 6: Final answer
    x = 683,781.84

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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.