Home / 865,628.93-1,298,465.58-410,113.52

Finding the Fourth Proportional to 865,628.93, 1,298,465.58 and 410,113.52

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Solution

The fourth proportional to 865,628.93, 1,298,465.58 and 410,113.52 is: 615,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,628.93 : 1,298,465.58 = 410,113.52 : x
  2. Step 2: Convert to fraction form
    865,628.93/1,298,465.58 = 410,113.52/x
  3. Step 3: Cross multiply
    865,628.93x = 1,298,465.58 × 410,113.52
  4. Step 4: Simplify right side
    865,628.93x = 532,518,289,612.64
  5. Step 5: Solve for x
    x = 532,518,289,612.64/865,628.93
  6. Step 6: Final answer
    x = 615,180.79

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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.