Home / 612,448.17-845,188.28-336,816.91

Finding the Fourth Proportional to 612,448.17, 845,188.28 and 336,816.91

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Solution

The fourth proportional to 612,448.17, 845,188.28 and 336,816.91 is: 464,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,448.17 : 845,188.28 = 336,816.91 : x
  2. Step 2: Convert to fraction form
    612,448.17/845,188.28 = 336,816.91/x
  3. Step 3: Cross multiply
    612,448.17x = 845,188.28 × 336,816.91
  4. Step 4: Simplify right side
    612,448.17x = 284,673,704,837.82
  5. Step 5: Solve for x
    x = 284,673,704,837.82/612,448.17
  6. Step 6: Final answer
    x = 464,812.73

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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.