Home / 600,629.79-828,962.31-342,507.30

Finding the Fourth Proportional to 600,629.79, 828,962.31 and 342,507.30

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Solution

The fourth proportional to 600,629.79, 828,962.31 and 342,507.30 is: 472,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,629.79 : 828,962.31 = 342,507.30 : x
  2. Step 2: Convert to fraction form
    600,629.79/828,962.31 = 342,507.30/x
  3. Step 3: Cross multiply
    600,629.79x = 828,962.31 × 342,507.30
  4. Step 4: Simplify right side
    600,629.79x = 283,925,642,599.86
  5. Step 5: Solve for x
    x = 283,925,642,599.86/600,629.79
  6. Step 6: Final answer
    x = 472,713.22

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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.