Home / 901,036.54-1,243,433.71-487,573.32

Finding the Fourth Proportional to 901,036.54, 1,243,433.71 and 487,573.32

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Solution

The fourth proportional to 901,036.54, 1,243,433.71 and 487,573.32 is: 672,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,036.54 : 1,243,433.71 = 487,573.32 : x
  2. Step 2: Convert to fraction form
    901,036.54/1,243,433.71 = 487,573.32/x
  3. Step 3: Cross multiply
    901,036.54x = 1,243,433.71 × 487,573.32
  4. Step 4: Simplify right side
    901,036.54x = 606,265,095,967.45
  5. Step 5: Solve for x
    x = 606,265,095,967.45/901,036.54
  6. Step 6: Final answer
    x = 672,852.96

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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.