Home / 889,845.64-1,228,049.96-507,929.82

Finding the Fourth Proportional to 889,845.64, 1,228,049.96 and 507,929.82

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Solution

The fourth proportional to 889,845.64, 1,228,049.96 and 507,929.82 is: 700,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,845.64 : 1,228,049.96 = 507,929.82 : x
  2. Step 2: Convert to fraction form
    889,845.64/1,228,049.96 = 507,929.82/x
  3. Step 3: Cross multiply
    889,845.64x = 1,228,049.96 × 507,929.82
  4. Step 4: Simplify right side
    889,845.64x = 623,763,195,133.81
  5. Step 5: Solve for x
    x = 623,763,195,133.81/889,845.64
  6. Step 6: Final answer
    x = 700,979.10

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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.