Home / 895,178.64-1,235,362.28-487,292.20

Finding the Fourth Proportional to 895,178.64, 1,235,362.28 and 487,292.20

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Solution

The fourth proportional to 895,178.64, 1,235,362.28 and 487,292.20 is: 672,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,178.64 : 1,235,362.28 = 487,292.20 : x
  2. Step 2: Convert to fraction form
    895,178.64/1,235,362.28 = 487,292.20/x
  3. Step 3: Cross multiply
    895,178.64x = 1,235,362.28 × 487,292.20
  4. Step 4: Simplify right side
    895,178.64x = 601,982,403,218.22
  5. Step 5: Solve for x
    x = 601,982,403,218.22/895,178.64
  6. Step 6: Final answer
    x = 672,471.81

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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.