Home / 828,403.69-1,240,612.62-472,338.22

Finding the Fourth Proportional to 828,403.69, 1,240,612.62 and 472,338.22

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Solution

The fourth proportional to 828,403.69, 1,240,612.62 and 472,338.22 is: 707,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,403.69 : 1,240,612.62 = 472,338.22 : x
  2. Step 2: Convert to fraction form
    828,403.69/1,240,612.62 = 472,338.22/x
  3. Step 3: Cross multiply
    828,403.69x = 1,240,612.62 × 472,338.22
  4. Step 4: Simplify right side
    828,403.69x = 585,988,756,640.34
  5. Step 5: Solve for x
    x = 585,988,756,640.34/828,403.69
  6. Step 6: Final answer
    x = 707,371.01

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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.