Home / 487,334.16-672,525.36-269,539.20

Finding the Fourth Proportional to 487,334.16, 672,525.36 and 269,539.20

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Solution

The fourth proportional to 487,334.16, 672,525.36 and 269,539.20 is: 371,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,334.16 : 672,525.36 = 269,539.20 : x
  2. Step 2: Convert to fraction form
    487,334.16/672,525.36 = 269,539.20/x
  3. Step 3: Cross multiply
    487,334.16x = 672,525.36 × 269,539.20
  4. Step 4: Simplify right side
    487,334.16x = 181,271,947,514.11
  5. Step 5: Solve for x
    x = 181,271,947,514.11/487,334.16
  6. Step 6: Final answer
    x = 371,966.43

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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.