Home / 817,582.68-1,226,425.86-256,639.32

Finding the Fourth Proportional to 817,582.68, 1,226,425.86 and 256,639.32

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Solution

The fourth proportional to 817,582.68, 1,226,425.86 and 256,639.32 is: 384,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,582.68 : 1,226,425.86 = 256,639.32 : x
  2. Step 2: Convert to fraction form
    817,582.68/1,226,425.86 = 256,639.32/x
  3. Step 3: Cross multiply
    817,582.68x = 1,226,425.86 × 256,639.32
  4. Step 4: Simplify right side
    817,582.68x = 314,749,098,740.82
  5. Step 5: Solve for x
    x = 314,749,098,740.82/817,582.68
  6. Step 6: Final answer
    x = 384,975.25

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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.