Home / 419,218.08-577,239.84-316,002.24

Finding the Fourth Proportional to 419,218.08, 577,239.84 and 316,002.24

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Solution

The fourth proportional to 419,218.08, 577,239.84 and 316,002.24 is: 435,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,218.08 : 577,239.84 = 316,002.24 : x
  2. Step 2: Convert to fraction form
    419,218.08/577,239.84 = 316,002.24/x
  3. Step 3: Cross multiply
    419,218.08x = 577,239.84 × 316,002.24
  4. Step 4: Simplify right side
    419,218.08x = 182,409,082,457.24
  5. Step 5: Solve for x
    x = 182,409,082,457.24/419,218.08
  6. Step 6: Final answer
    x = 435,117.40

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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.