Home / 772,774.98-1,159,496.19-418,038.72

Finding the Fourth Proportional to 772,774.98, 1,159,496.19 and 418,038.72

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Solution

The fourth proportional to 772,774.98, 1,159,496.19 and 418,038.72 is: 627,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,774.98 : 1,159,496.19 = 418,038.72 : x
  2. Step 2: Convert to fraction form
    772,774.98/1,159,496.19 = 418,038.72/x
  3. Step 3: Cross multiply
    772,774.98x = 1,159,496.19 × 418,038.72
  4. Step 4: Simplify right side
    772,774.98x = 484,714,303,112.48
  5. Step 5: Solve for x
    x = 484,714,303,112.48/772,774.98
  6. Step 6: Final answer
    x = 627,238.61

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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.