Home / 487,237.36-672,141.36-326,099.20

Finding the Fourth Proportional to 487,237.36, 672,141.36 and 326,099.20

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Solution

The fourth proportional to 487,237.36, 672,141.36 and 326,099.20 is: 449,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,237.36 : 672,141.36 = 326,099.20 : x
  2. Step 2: Convert to fraction form
    487,237.36/672,141.36 = 326,099.20/x
  3. Step 3: Cross multiply
    487,237.36x = 672,141.36 × 326,099.20
  4. Step 4: Simplify right side
    487,237.36x = 219,184,759,782.91
  5. Step 5: Solve for x
    x = 219,184,759,782.91/487,237.36
  6. Step 6: Final answer
    x = 449,852.12

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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.