Home / 772,184.20-1,157,354.70-322,904.20

Finding the Fourth Proportional to 772,184.20, 1,157,354.70 and 322,904.20

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Solution

The fourth proportional to 772,184.20, 1,157,354.70 and 322,904.20 is: 483,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,184.20 : 1,157,354.70 = 322,904.20 : x
  2. Step 2: Convert to fraction form
    772,184.20/1,157,354.70 = 322,904.20/x
  3. Step 3: Cross multiply
    772,184.20x = 1,157,354.70 × 322,904.20
  4. Step 4: Simplify right side
    772,184.20x = 373,714,693,519.74
  5. Step 5: Solve for x
    x = 373,714,693,519.74/772,184.20
  6. Step 6: Final answer
    x = 483,970.91

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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.