Home / 583,284.20-804,932.28-315,012.20

Finding the Fourth Proportional to 583,284.20, 804,932.28 and 315,012.20

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Solution

The fourth proportional to 583,284.20, 804,932.28 and 315,012.20 is: 434,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,284.20 : 804,932.28 = 315,012.20 : x
  2. Step 2: Convert to fraction form
    583,284.20/804,932.28 = 315,012.20/x
  3. Step 3: Cross multiply
    583,284.20x = 804,932.28 × 315,012.20
  4. Step 4: Simplify right side
    583,284.20x = 253,563,484,349.16
  5. Step 5: Solve for x
    x = 253,563,484,349.16/583,284.20
  6. Step 6: Final answer
    x = 434,716.88

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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.