Home / 634,927.56-876,197.28-348,452.28

Finding the Fourth Proportional to 634,927.56, 876,197.28 and 348,452.28

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Solution

The fourth proportional to 634,927.56, 876,197.28 and 348,452.28 is: 480,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,927.56 : 876,197.28 = 348,452.28 : x
  2. Step 2: Convert to fraction form
    634,927.56/876,197.28 = 348,452.28/x
  3. Step 3: Cross multiply
    634,927.56x = 876,197.28 × 348,452.28
  4. Step 4: Simplify right side
    634,927.56x = 305,312,939,945.80
  5. Step 5: Solve for x
    x = 305,312,939,945.80/634,927.56
  6. Step 6: Final answer
    x = 480,862.64

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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.