Home / 850,052.06-1,173,026.57-487,458.39

Finding the Fourth Proportional to 850,052.06, 1,173,026.57 and 487,458.39

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Solution

The fourth proportional to 850,052.06, 1,173,026.57 and 487,458.39 is: 672,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,052.06 : 1,173,026.57 = 487,458.39 : x
  2. Step 2: Convert to fraction form
    850,052.06/1,173,026.57 = 487,458.39/x
  3. Step 3: Cross multiply
    850,052.06x = 1,173,026.57 × 487,458.39
  4. Step 4: Simplify right side
    850,052.06x = 571,801,640,802.13
  5. Step 5: Solve for x
    x = 571,801,640,802.13/850,052.06
  6. Step 6: Final answer
    x = 672,666.62

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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.