Home / 847,726.80-1,271,590.80-216,641.28

Finding the Fourth Proportional to 847,726.80, 1,271,590.80 and 216,641.28

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Solution

The fourth proportional to 847,726.80, 1,271,590.80 and 216,641.28 is: 324,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,726.80 : 1,271,590.80 = 216,641.28 : x
  2. Step 2: Convert to fraction form
    847,726.80/1,271,590.80 = 216,641.28/x
  3. Step 3: Cross multiply
    847,726.80x = 1,271,590.80 × 216,641.28
  4. Step 4: Simplify right side
    847,726.80x = 275,479,058,548.22
  5. Step 5: Solve for x
    x = 275,479,058,548.22/847,726.80
  6. Step 6: Final answer
    x = 324,962.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.