Home / 453,416.24-625,648.38-272,089.64

Finding the Fourth Proportional to 453,416.24, 625,648.38 and 272,089.64

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Solution

The fourth proportional to 453,416.24, 625,648.38 and 272,089.64 is: 375,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,416.24 : 625,648.38 = 272,089.64 : x
  2. Step 2: Convert to fraction form
    453,416.24/625,648.38 = 272,089.64/x
  3. Step 3: Cross multiply
    453,416.24x = 625,648.38 × 272,089.64
  4. Step 4: Simplify right side
    453,416.24x = 170,232,442,480.78
  5. Step 5: Solve for x
    x = 170,232,442,480.78/453,416.24
  6. Step 6: Final answer
    x = 375,444.08

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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.