Home / 476,948.55-657,531.35-380,479.83

Finding the Fourth Proportional to 476,948.55, 657,531.35 and 380,479.83

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Solution

The fourth proportional to 476,948.55, 657,531.35 and 380,479.83 is: 524,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,948.55 : 657,531.35 = 380,479.83 : x
  2. Step 2: Convert to fraction form
    476,948.55/657,531.35 = 380,479.83/x
  3. Step 3: Cross multiply
    476,948.55x = 657,531.35 × 380,479.83
  4. Step 4: Simplify right side
    476,948.55x = 250,177,415,954.84
  5. Step 5: Solve for x
    x = 250,177,415,954.84/476,948.55
  6. Step 6: Final answer
    x = 524,537.53

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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.