Home / 807,746.80-1,209,287.40-492,818.80

Finding the Fourth Proportional to 807,746.80, 1,209,287.40 and 492,818.80

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Solution

The fourth proportional to 807,746.80, 1,209,287.40 and 492,818.80 is: 737,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,746.80 : 1,209,287.40 = 492,818.80 : x
  2. Step 2: Convert to fraction form
    807,746.80/1,209,287.40 = 492,818.80/x
  3. Step 3: Cross multiply
    807,746.80x = 1,209,287.40 × 492,818.80
  4. Step 4: Simplify right side
    807,746.80x = 595,959,565,323.12
  5. Step 5: Solve for x
    x = 595,959,565,323.12/807,746.80
  6. Step 6: Final answer
    x = 737,804.92

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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.