Home / 855,106.01-1,180,473.60-492,459.85

Finding the Fourth Proportional to 855,106.01, 1,180,473.60 and 492,459.85

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Solution

The fourth proportional to 855,106.01, 1,180,473.60 and 492,459.85 is: 679,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,106.01 : 1,180,473.60 = 492,459.85 : x
  2. Step 2: Convert to fraction form
    855,106.01/1,180,473.60 = 492,459.85/x
  3. Step 3: Cross multiply
    855,106.01x = 1,180,473.60 × 492,459.85
  4. Step 4: Simplify right side
    855,106.01x = 581,335,852,537.19
  5. Step 5: Solve for x
    x = 581,335,852,537.19/855,106.01
  6. Step 6: Final answer
    x = 679,840.68

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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.