Home / 855,313.12-1,283,397.36-382,337.92

Finding the Fourth Proportional to 855,313.12, 1,283,397.36 and 382,337.92

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Solution

The fourth proportional to 855,313.12, 1,283,397.36 and 382,337.92 is: 573,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,313.12 : 1,283,397.36 = 382,337.92 : x
  2. Step 2: Convert to fraction form
    855,313.12/1,283,397.36 = 382,337.92/x
  3. Step 3: Cross multiply
    855,313.12x = 1,283,397.36 × 382,337.92
  4. Step 4: Simplify right side
    855,313.12x = 490,691,477,155.89
  5. Step 5: Solve for x
    x = 490,691,477,155.89/855,313.12
  6. Step 6: Final answer
    x = 573,698.06

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Double scale
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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.