Home / 828,402.69-1,240,611.12-472,337.22

Finding the Fourth Proportional to 828,402.69, 1,240,611.12 and 472,337.22

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Solution

The fourth proportional to 828,402.69, 1,240,611.12 and 472,337.22 is: 707,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,402.69 : 1,240,611.12 = 472,337.22 : x
  2. Step 2: Convert to fraction form
    828,402.69/1,240,611.12 = 472,337.22/x
  3. Step 3: Cross multiply
    828,402.69x = 1,240,611.12 × 472,337.22
  4. Step 4: Simplify right side
    828,402.69x = 585,986,807,521.89
  5. Step 5: Solve for x
    x = 585,986,807,521.89/828,402.69
  6. Step 6: Final answer
    x = 707,369.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.