Home / 669,518.16-1,003,907.56-348,869.48

Finding the Fourth Proportional to 669,518.16, 1,003,907.56 and 348,869.48

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Solution

The fourth proportional to 669,518.16, 1,003,907.56 and 348,869.48 is: 523,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,518.16 : 1,003,907.56 = 348,869.48 : x
  2. Step 2: Convert to fraction form
    669,518.16/1,003,907.56 = 348,869.48/x
  3. Step 3: Cross multiply
    669,518.16x = 1,003,907.56 × 348,869.48
  4. Step 4: Simplify right side
    669,518.16x = 350,232,708,425.27
  5. Step 5: Solve for x
    x = 350,232,708,425.27/669,518.16
  6. Step 6: Final answer
    x = 523,111.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.