Home / 634,865.01-876,127.10-348,382.59

Finding the Fourth Proportional to 634,865.01, 876,127.10 and 348,382.59

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Solution

The fourth proportional to 634,865.01, 876,127.10 and 348,382.59 is: 480,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,865.01 : 876,127.10 = 348,382.59 : x
  2. Step 2: Convert to fraction form
    634,865.01/876,127.10 = 348,382.59/x
  3. Step 3: Cross multiply
    634,865.01x = 876,127.10 × 348,382.59
  4. Step 4: Simplify right side
    634,865.01x = 305,227,426,525.28
  5. Step 5: Solve for x
    x = 305,227,426,525.28/634,865.01
  6. Step 6: Final answer
    x = 480,775.32

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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.