Home / 509,577.24-703,225.56-280,144.20

Finding the Fourth Proportional to 509,577.24, 703,225.56 and 280,144.20

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Solution

The fourth proportional to 509,577.24, 703,225.56 and 280,144.20 is: 386,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,577.24 : 703,225.56 = 280,144.20 : x
  2. Step 2: Convert to fraction form
    509,577.24/703,225.56 = 280,144.20/x
  3. Step 3: Cross multiply
    509,577.24x = 703,225.56 × 280,144.20
  4. Step 4: Simplify right side
    509,577.24x = 197,004,561,925.75
  5. Step 5: Solve for x
    x = 197,004,561,925.75/509,577.24
  6. Step 6: Final answer
    x = 386,603.93

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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.