Home / 559,824.02-772,557.16-305,175.40

Finding the Fourth Proportional to 559,824.02, 772,557.16 and 305,175.40

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Solution

The fourth proportional to 559,824.02, 772,557.16 and 305,175.40 is: 421,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,824.02 : 772,557.16 = 305,175.40 : x
  2. Step 2: Convert to fraction form
    559,824.02/772,557.16 = 305,175.40/x
  3. Step 3: Cross multiply
    559,824.02x = 772,557.16 × 305,175.40
  4. Step 4: Simplify right side
    559,824.02x = 235,765,440,325.86
  5. Step 5: Solve for x
    x = 235,765,440,325.86/559,824.02
  6. Step 6: Final answer
    x = 421,142.06

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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.