Home / 634,888.46-876,156.72-348,435.20

Finding the Fourth Proportional to 634,888.46, 876,156.72 and 348,435.20

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Solution

The fourth proportional to 634,888.46, 876,156.72 and 348,435.20 is: 480,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,888.46 : 876,156.72 = 348,435.20 : x
  2. Step 2: Convert to fraction form
    634,888.46/876,156.72 = 348,435.20/x
  3. Step 3: Cross multiply
    634,888.46x = 876,156.72 × 348,435.20
  4. Step 4: Simplify right side
    634,888.46x = 305,283,841,964.54
  5. Step 5: Solve for x
    x = 305,283,841,964.54/634,888.46
  6. Step 6: Final answer
    x = 480,846.42

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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.