Home / 948,903.32-1,309,474.92-519,177.28

Finding the Fourth Proportional to 948,903.32, 1,309,474.92 and 519,177.28

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Solution

The fourth proportional to 948,903.32, 1,309,474.92 and 519,177.28 is: 716,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,903.32 : 1,309,474.92 = 519,177.28 : x
  2. Step 2: Convert to fraction form
    948,903.32/1,309,474.92 = 519,177.28/x
  3. Step 3: Cross multiply
    948,903.32x = 1,309,474.92 × 519,177.28
  4. Step 4: Simplify right side
    948,903.32x = 679,849,627,193.82
  5. Step 5: Solve for x
    x = 679,849,627,193.82/948,903.32
  6. Step 6: Final answer
    x = 716,458.27

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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.