Home / 419,224.07-577,247.90-316,008.20

Finding the Fourth Proportional to 419,224.07, 577,247.90 and 316,008.20

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Solution

The fourth proportional to 419,224.07, 577,247.90 and 316,008.20 is: 435,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,224.07 : 577,247.90 = 316,008.20 : x
  2. Step 2: Convert to fraction form
    419,224.07/577,247.90 = 316,008.20/x
  3. Step 3: Cross multiply
    419,224.07x = 577,247.90 × 316,008.20
  4. Step 4: Simplify right side
    419,224.07x = 182,415,065,366.50
  5. Step 5: Solve for x
    x = 182,415,065,366.50/419,224.07
  6. Step 6: Final answer
    x = 435,125.46

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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.