Home / 807,287.20-1,210,930.80-558,455.20

Finding the Fourth Proportional to 807,287.20, 1,210,930.80 and 558,455.20

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Solution

The fourth proportional to 807,287.20, 1,210,930.80 and 558,455.20 is: 837,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,287.20 : 1,210,930.80 = 558,455.20 : x
  2. Step 2: Convert to fraction form
    807,287.20/1,210,930.80 = 558,455.20/x
  3. Step 3: Cross multiply
    807,287.20x = 1,210,930.80 × 558,455.20
  4. Step 4: Simplify right side
    807,287.20x = 676,250,602,100.16
  5. Step 5: Solve for x
    x = 676,250,602,100.16/807,287.20
  6. Step 6: Final answer
    x = 837,682.80

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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.