Home / 545,934.30-753,358.23-300,870.42

Finding the Fourth Proportional to 545,934.30, 753,358.23 and 300,870.42

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Solution

The fourth proportional to 545,934.30, 753,358.23 and 300,870.42 is: 415,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,934.30 : 753,358.23 = 300,870.42 : x
  2. Step 2: Convert to fraction form
    545,934.30/753,358.23 = 300,870.42/x
  3. Step 3: Cross multiply
    545,934.30x = 753,358.23 × 300,870.42
  4. Step 4: Simplify right side
    545,934.30x = 226,663,207,070.56
  5. Step 5: Solve for x
    x = 226,663,207,070.56/545,934.30
  6. Step 6: Final answer
    x = 415,184.04

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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.