Home / 921,714.03-1,380,746.25-434,729.28

Finding the Fourth Proportional to 921,714.03, 1,380,746.25 and 434,729.28

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Solution

The fourth proportional to 921,714.03, 1,380,746.25 and 434,729.28 is: 651,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,714.03 : 1,380,746.25 = 434,729.28 : x
  2. Step 2: Convert to fraction form
    921,714.03/1,380,746.25 = 434,729.28/x
  3. Step 3: Cross multiply
    921,714.03x = 1,380,746.25 × 434,729.28
  4. Step 4: Simplify right side
    921,714.03x = 600,250,823,125.20
  5. Step 5: Solve for x
    x = 600,250,823,125.20/921,714.03
  6. Step 6: Final answer
    x = 651,233.25

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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.