Home / 630,920.08-870,682.86-344,452.24

Finding the Fourth Proportional to 630,920.08, 870,682.86 and 344,452.24

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Solution

The fourth proportional to 630,920.08, 870,682.86 and 344,452.24 is: 475,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,920.08 : 870,682.86 = 344,452.24 : x
  2. Step 2: Convert to fraction form
    630,920.08/870,682.86 = 344,452.24/x
  3. Step 3: Cross multiply
    630,920.08x = 870,682.86 × 344,452.24
  4. Step 4: Simplify right side
    630,920.08x = 299,908,661,456.61
  5. Step 5: Solve for x
    x = 299,908,661,456.61/630,920.08
  6. Step 6: Final answer
    x = 475,351.27

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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.