Home / 874,998.40-1,312,497.60-476,867.20

Finding the Fourth Proportional to 874,998.40, 1,312,497.60 and 476,867.20

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Solution

The fourth proportional to 874,998.40, 1,312,497.60 and 476,867.20 is: 715,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,998.40 : 1,312,497.60 = 476,867.20 : x
  2. Step 2: Convert to fraction form
    874,998.40/1,312,497.60 = 476,867.20/x
  3. Step 3: Cross multiply
    874,998.40x = 1,312,497.60 × 476,867.20
  4. Step 4: Simplify right side
    874,998.40x = 625,887,055,518.72
  5. Step 5: Solve for x
    x = 625,887,055,518.72/874,998.40
  6. Step 6: Final answer
    x = 715,300.80

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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.