Home / 637,742.85-880,147.34-476,317.77

Finding the Fourth Proportional to 637,742.85, 880,147.34 and 476,317.77

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Solution

The fourth proportional to 637,742.85, 880,147.34 and 476,317.77 is: 657,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,742.85 : 880,147.34 = 476,317.77 : x
  2. Step 2: Convert to fraction form
    637,742.85/880,147.34 = 476,317.77/x
  3. Step 3: Cross multiply
    637,742.85x = 880,147.34 × 476,317.77
  4. Step 4: Simplify right side
    637,742.85x = 419,229,815,878.64
  5. Step 5: Solve for x
    x = 419,229,815,878.64/637,742.85
  6. Step 6: Final answer
    x = 657,364.98

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Double scale
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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.