Home / 646,444.32-969,215.84-286,419.44

Finding the Fourth Proportional to 646,444.32, 969,215.84 and 286,419.44

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Solution

The fourth proportional to 646,444.32, 969,215.84 and 286,419.44 is: 429,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,444.32 : 969,215.84 = 286,419.44 : x
  2. Step 2: Convert to fraction form
    646,444.32/969,215.84 = 286,419.44/x
  3. Step 3: Cross multiply
    646,444.32x = 969,215.84 × 286,419.44
  4. Step 4: Simplify right side
    646,444.32x = 277,602,258,131.93
  5. Step 5: Solve for x
    x = 277,602,258,131.93/646,444.32
  6. Step 6: Final answer
    x = 429,429.50

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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.